OpenTechnical

OT-2026-000054512

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000054512) never changes.

Identity and time

Publication numberOT-2026-000054512 · never reused
Internal UUID01a0ae86-1283-7a36-82f1-7f84c9d55437 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054512
StatusPUBLIC

Content hashes

Canonical text79a7fcb98935dab028c3592949fe03de1e1793ab822dc1d805f50232957aaff7
Markdown037b1b3f96952a2d75bf0df561b4df4b13560261721baccac8e674b1818963da
PDF
Publication page1a6d925fe88d28a1c272ab5ae5861e22808fcfc7dae58092338ab1a75f0ab71e
Manifest6db5777b608877ec5bc90f34db3d878a28002844c35c9b8a9654a7e5244626ec

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
SignatureYlW9z0gR4ejp6zsePAmoXpkZkFOWqs/lsaDkNFLph8DlxshfuhrqWCaSZoxS3kLDnqPg0y4n0eP9lUi4rMmjAw==
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

2026-09-17T10:53:31.143569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054512
observed 1a6d925fe88d28a1c272ab5ae5861e22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:31.126121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054512/manifest.json
observed 6db5777b608877ec5bc90f34db3d878a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:31.108602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054512/publication.md
observed 037b1b3f96952a2d75bf0df561b4df4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:31.089499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054512/publication.txt
observed 79a7fcb98935dab028c3592949fe03de...
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.