OpenTechnical

OT-2026-000081782

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000081782) never changes.

Identity and time

Publication numberOT-2026-000081782 · never reused
Internal UUID01a0ae97-0f74-7362-b708-a988412c26ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081782
StatusPUBLIC

Content hashes

Canonical textcd59ea29a5ec127c0539087ab725a297b566239bdf4fb5b831b01d3cd496873c
Markdownf0a34c09825dd77dd2e1012475a8b2fd1e94f7054cc3d2ef0505e7c8101ed21b
PDF
Publication page4da23302064bdfb83ebaf4ee728ad6baaedf6ba8ace1db7fa8159aa52f3f7679
Manifestf4dd1799b4dc37e041e03fec5ef4d279f54e1aba31aae802054f081d8bcf5117

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
SignaturetTPLRPWuJ/6qjWHSuqe6nklgkc7AkurHdQtwI9+6F5WQcMdun+JLF1RDmTg4WISIwhveKRNAg8l5X9//e0p7CQ==
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

2026-09-17T09:59:52.677082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081782
observed 4da23302064bdfb83ebaf4ee728ad6ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:52.660170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081782/manifest.json
observed f4dd1799b4dc37e041e03fec5ef4d279...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:52.641571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081782/publication.md
observed f0a34c09825dd77dd2e1012475a8b2fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:52.624402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081782/publication.txt
observed cd59ea29a5ec127c0539087ab725a297...
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.