OpenTechnical

OT-2026-000088257

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000088257) never changes.

Identity and time

Publication numberOT-2026-000088257 · never reused
Internal UUID01a0ae9b-5d26-7d71-ab10-44b020184f3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088257
StatusPUBLIC

Content hashes

Canonical text0e25797f232913b4ceeed15ecd4071d105a4d71c34645d9ca708bd142b6e93f1
Markdown256ae4a3f5a10ebf69b2cc22b89aabd7f52319835e5a87cfa012f2aea5d799a3
PDF
Publication page71163c04ef3610632bddb68c3f7b34013d1ba9be8ec1fa27fc2cde02533fec6a
Manifest2d565de10b8cae654a649c4f68125000d387577aed58d8cbddef3c6bfad57615

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
SignatureWy9X+55oCm3Jn2X+AALOPz37WFjmr/Ew35mzGdDrBKtg0TVmlmVmvYeN16qjo8LFqfwPDE8aecOvRQPwYstyCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:33.508736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088257
observed 71163c04ef3610632bddb68c3f7b3401...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:33.490509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088257/manifest.json
observed 2d565de10b8cae654a649c4f68125000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:33.469826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088257/publication.md
observed 256ae4a3f5a10ebf69b2cc22b89aabd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:33.449553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088257/publication.txt
observed 0e25797f232913b4ceeed15ecd4071d1...
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.