OpenTechnical

OT-2026-000054318

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000054318) never changes.

Identity and time

Publication numberOT-2026-000054318 · never reused
Internal UUID01a0ae85-b3a9-713e-877e-00e8f3f3bcc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054318
StatusPUBLIC

Content hashes

Canonical textc9fe84b411ef422a6a36c2a3b3c6cfbd42f38fb4ee438fc986b1ceab5e3f6dae
Markdownf5e8db8872bd471550348631d7e3a9a1de8ab3e9f117224de274b786ce83efba
PDF
Publication pageb6aa4e3265f2254f20b68115ef5ac0e1864e9ad5867032c914eb138e65841d55
Manifest5ef3cf6ccf8a81e7c3c67e9d32217d8bc039a43267cf57c6cf6e7c179bc3ca85

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
SignatureoT5y0cFskbPtfPodaGzsXtvt/w2ISdGVQzMWF+9n2JJIcG3SddVH7ndPN8uJ2BwfGJ6B/2DnM7DNqX1j5eQPBA==
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

2026-09-17T10:54:49.593368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054318
observed b6aa4e3265f2254f20b68115ef5ac0e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:49.573757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054318/manifest.json
observed 5ef3cf6ccf8a81e7c3c67e9d32217d8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:49.554549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054318/publication.md
observed f5e8db8872bd471550348631d7e3a9a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:49.535999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054318/publication.txt
observed c9fe84b411ef422a6a36c2a3b3c6cfbd...
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.