OpenTechnical

OT-2026-000017276

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, 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-2026-000017276) never changes.

Identity and time

Publication numberOT-2026-000017276 · never reused
Internal UUID01a0ae6e-76c8-7f6d-a1f9-0c83e42c8403 · 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-2026-000017276
StatusPUBLIC

Content hashes

Canonical texta57bd08ab507a573675bae0d89d4b9a339c4631f4047d13f58fec97cf0eff282
Markdown2497a9098827b6e629a84d3f1553e3ff23d2288828deceefa1ef8bde3bc31964
PDF
Publication page0b9d25744fcfd35b1856e0c36d1d7e4f241cebe8a5504fe313193e8fcaf6bde0
Manifestcfbbd2820441ad845c3240aff74a24b5266407898eac790cc41ab2ec0a017f75

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
SignaturewjgKvgdnhujmEyIrtaPlqjftMqbrdUeg2toYBrxDRc+vPTLPSMVgz+SOmzhaio4TOFAMrHM5qjYIWE7ZAuJgDg==
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

2026-09-17T12:02:22.273904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017276
observed 0b9d25744fcfd35b1856e0c36d1d7e4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:22.257615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017276/manifest.json
observed cfbbd2820441ad845c3240aff74a24b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:22.240490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017276/publication.md
observed 2497a9098827b6e629a84d3f1553e3ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:22.223031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017276/publication.txt
observed a57bd08ab507a573675bae0d89d4b9a3...
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.