OpenTechnical

OT-2026-000054356

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000054356) never changes.

Identity and time

Publication numberOT-2026-000054356 · never reused
Internal UUID01a0ae85-b3aa-73b0-8419-1f4ce9baaeae · 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-2026-000054356
StatusPUBLIC

Content hashes

Canonical text31dae1d8c6eb59312d0d310a65846a84b04973f689dbac86ecf9a862943ff1dc
Markdownf4b06e05ae3fd00fdca439b23c493c1c4e4d21de0a03d9af1a360c3bb92bbe26
PDF
Publication page1b94792cafcb42ff47d136151a22d2586cc04cb0c47f6e434327c750160ebe6e
Manifestb43e470a5fe9b731a62265f76e9f192b1dbc779964a1aaa7d597ae1b1fc5ba6a

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
Signatureicol07SK1EWlMtulsGQ6sxMCL3Vdudm/j8q7FaRtTUv4Gwq05ubRapcJLE5hxA3jekVYrgWdVqYTwu6nh84AAA==
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

2026-09-17T10:54:52.678155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054356
observed 1b94792cafcb42ff47d136151a22d258...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:52.660475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054356/manifest.json
observed b43e470a5fe9b731a62265f76e9f192b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:52.641378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054356/publication.md
observed f4b06e05ae3fd00fdca439b23c493c1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:52.624069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054356/publication.txt
observed 31dae1d8c6eb59312d0d310a65846a84...
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.