OpenTechnical

OT-2026-000017917

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000017917) never changes.

Identity and time

Publication numberOT-2026-000017917 · never reused
Internal UUID01a0ae6e-96fc-7fc7-9cd4-69f30f0ce7e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017917
StatusPUBLIC

Content hashes

Canonical textb744ec12f12d32f6d09d4c51b82cc8196c35f29a690e76b67b6a26f13033e67c
Markdownee6e01589031a53197499ae1e665534963f28643721a5a5399f4c018d91f346b
PDF
Publication page69df1ab242dc7cf25950da9b24599c0f929d0fd284a035dc152b933e926d4f1f
Manifest83bb8c696e07ecb28716e9cf819591e1e8f53aa814629dbed9e614000f2b32bb

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
SignatureXdkmWqsqIAcBjhzbtljxZWCDiUo5Husc4J4iBIH1K0U38/5GHb90OGr/lTmJjYju//ylfMHYtmV874EsVNppCg==
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

2026-09-17T12:01:54.581014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017917
observed 69df1ab242dc7cf25950da9b24599c0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:54.564679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017917/manifest.json
observed 83bb8c696e07ecb28716e9cf819591e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:54.547854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017917/publication.md
observed ee6e01589031a53197499ae1e6655349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:54.530796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017917/publication.txt
observed b744ec12f12d32f6d09d4c51b82cc819...
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.