OpenTechnical

OT-2026-000015347

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pulsed blow-off 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-2026-000015347) never changes.

Identity and time

Publication numberOT-2026-000015347 · never reused
Internal UUID01a0ae6d-ef49-7d0a-b15b-b12b8724e41e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015347
StatusPUBLIC

Content hashes

Canonical text9992c4b41d4881185cb89946cea9d4907845b0f0ceeac582aa97ecef2a372c40
Markdown19886f7872195955069d03991e246c7637d017c154cc24fe615df8d59b36769c
PDF
Publication page0849a9130b6df511e03f287d959aa4c245d19ff9939a80c56a037424479030bb
Manifest14bf776b174106afdc38082224164e25f4d21adc243dc0d01e5a1a87d9df0caa

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
SignatureUZSY5JqGLIdSc58i0U1zsWy49Aoo84AqbnQ/n0Amimmz78AcL4BUEJxzXTdSKvyy1IE71f00kakYDKZV7likBw==
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

2026-09-17T12:06:03.089914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015347
observed 0849a9130b6df511e03f287d959aa4c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:03.070331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015347/manifest.json
observed 14bf776b174106afdc38082224164e25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:03.051326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015347/publication.md
observed 19886f7872195955069d03991e246c76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:03.032826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015347/publication.txt
observed 9992c4b41d4881185cb89946cea9d490...
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.