OpenTechnical

OT-2026-000027780

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000027780) never changes.

Identity and time

Publication numberOT-2026-000027780 · never reused
Internal UUID01a0ae72-a4a4-7d1b-99d1-4c218722d0b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027780
StatusPUBLIC

Content hashes

Canonical text50c5b86595330ff1f14c6998f72ad711dbe23de6a2730ebffa945f23836a1d7a
Markdownf5667a53abd2c86c5724921a5f88d116fc9104f02267287aad55edf68bf9a6e8
PDF
Publication pagef6ae649a9b6a0d6ace71cf2084071f9c2c59c1d1075639ef096a93ecd8f38df2
Manifest02bffa3fa9ceeb0df0e80304bc64e81bcd16813b8797bb2d2d649476fa81676d

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
SignatureknBjEdhiijjvXc986crRtHVvVPUQzCmrY2shnbVMSmM2MtVEFSvlF5Lp67D+B1IsFKUFb2viIUFNjLJBzg11Cg==
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

2026-09-17T11:41:49.562059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027780
observed f6ae649a9b6a0d6ace71cf2084071f9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:49.541509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027780/manifest.json
observed 02bffa3fa9ceeb0df0e80304bc64e81b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:49.520150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027780/publication.md
observed f5667a53abd2c86c5724921a5f88d116...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:49.501993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027780/publication.txt
observed 50c5b86595330ff1f14c6998f72ad711...
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.