OpenTechnical

OT-2026-000057150

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057150) never changes.

Identity and time

Publication numberOT-2026-000057150 · never reused
Internal UUID01a0ae87-d5b9-7530-bec4-f2e834d69f08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057150
StatusPUBLIC

Content hashes

Canonical text598c4eb60cdd0821dbc1bfd70f9e0216f2ece2c64ebed8d287e8bf4ffc266911
Markdown76f56a18bc26b74c4f762ca9a3ae0caa6366bc04572a12c10cc9aecf3320522c
PDF
Publication pageb533457f3bf1bb018558ea95df2dbec2c27ceeb64c2f4f0f02bea61bd8e32336
Manifest797c30765bddfd977669e2de91f0ab4aecbd64e1e336afb27e66a15a4fb667ad

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature4xBPuPCPBeuB9TWVdPSgRIzwZQlqDaMBSomRa+6u8C465u6LVH2USjfsKBqe9A5tlwyrP/M13dsKAuUtA9/fCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:09.500199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057150
observed b533457f3bf1bb018558ea95df2dbec2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.483824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057150/manifest.json
observed 797c30765bddfd977669e2de91f0ab4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.467951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057150/publication.md
observed 76f56a18bc26b74c4f762ca9a3ae0caa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.451308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057150/publication.txt
observed 598c4eb60cdd0821dbc1bfd70f9e0216...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:16.830747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057150
observed b533457f3bf1bb018558ea95df2dbec2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:16.812638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057150/manifest.json
observed 797c30765bddfd977669e2de91f0ab4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:16.794690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057150/publication.md
observed 76f56a18bc26b74c4f762ca9a3ae0caa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:16.775828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057150/publication.txt
observed 598c4eb60cdd0821dbc1bfd70f9e0216...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.