OpenTechnical

OT-2026-000051206

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000051206) never changes.

Identity and time

Publication numberOT-2026-000051206 · never reused
Internal UUID01a0ae83-273f-78b7-bafe-56bf6c7d90b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051206
StatusPUBLIC

Content hashes

Canonical text7cc213835449f3469a9aea0e0e2ffb510882f4739dc7bc70b08de0a1eb76386f
Markdown5683ebb984f247407af05c5fa2bec8568fb7c9a075c4e7a8384da4f3e0db21cb
PDF
Publication page9c351d9eced75720224eeed1c629cafa03afcffb6f7d8b4d82e85b024583ae26
Manifestdba1734d7d3dd327530b8e40400e135b5e96191f3c460d3b2240449dcc13b656

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
SignatureymGru4NGOEN4+pgvZUexiZh+0BY4MYGCt6Q6oOXRwsNaF03V2R8uhpFQ2BlSw1n3OxB1oW6B2xxOrxNRTYjfAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T10:58:59.320887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051206
observed 9c351d9eced75720224eeed1c629cafa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:59.304204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051206/manifest.json
observed dba1734d7d3dd327530b8e40400e135b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:59.287595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051206/publication.md
observed 5683ebb984f247407af05c5fa2bec856...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:59.268631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051206/publication.txt
observed 7cc213835449f3469a9aea0e0e2ffb51...
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.