OpenTechnical

OT-2026-000017517

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000017517) never changes.

Identity and time

Publication numberOT-2026-000017517 · never reused
Internal UUID01a0ae6e-76ca-756a-9025-1f359f3f939a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017517
StatusPUBLIC

Content hashes

Canonical textb995bf90ded06e9493fd5b16311e3f4fdb30f24f78c82b4f26b2ed76f8193b0f
Markdown6df85aeb425042a807e9baa294fda587a2f63f881ae6cf74bb7250b06114803e
PDF
Publication page098d2687082b9dbaa15f2ff00747b945a552ed0afa588a94fafc48b4fb33d017
Manifest54c0da389b2ecc4d52a294a4cae2dbe57d4269df35023d2046dc4641c352cd8d

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
SignaturepoMgfm6kR68Ax9r7yow9acH00UoaS/+JgcdgkUIggD0een9veQ55vxneSUuauSl7byLKsV2yww46qEi35KXLDQ==
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

2026-09-17T12:02:40.476724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017517
observed 098d2687082b9dbaa15f2ff00747b945...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.459364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017517/manifest.json
observed 54c0da389b2ecc4d52a294a4cae2dbe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.440230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017517/publication.md
observed 6df85aeb425042a807e9baa294fda587...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.420705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017517/publication.txt
observed b995bf90ded06e9493fd5b16311e3f4f...
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.