OpenTechnical

OT-2026-000041738

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000041738) never changes.

Identity and time

Publication numberOT-2026-000041738 · never reused
Internal UUID01a0ae79-e8a1-7415-947b-51bd482d06cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041738
StatusPUBLIC

Content hashes

Canonical textc30ce80023a5aecedb758a3e8819af4c4cf13cfc10c44dc319efcee697129e82
Markdownc7de9b4cb7b2bb93acec797f627fec71f2a9f2dffcc6f0b1c60786d83392d0c4
PDF
Publication page2c92df9056b7e6e2eb4a6172027602952869b107a29a62443ba8b36d053ca9f1
Manifest338277f65e46fea46a06a9d78d625ad0e21879e32b337a0431d647a100494402

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
SignatureRSnecd4CThMUeYKv6jV1fMSvgGcyoj2M3i8Gf9tU1W32wIXhxyLTn0/ti0xXKRDGOOCvT9of7KjBc7nAnnCtDg==
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

2026-09-17T11:16:34.804446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041738
observed 2c92df9056b7e6e2eb4a617202760295...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:34.787537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041738/manifest.json
observed 338277f65e46fea46a06a9d78d625ad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:34.770950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041738/publication.md
observed c7de9b4cb7b2bb93acec797f627fec71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:34.754054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041738/publication.txt
observed c30ce80023a5aecedb758a3e8819af4c...
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.