OpenTechnical

OT-2026-000061185

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000061185) never changes.

Identity and time

Publication numberOT-2026-000061185 · never reused
Internal UUID01a0ae8b-1380-75c7-9198-3cd112fe1082 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061185
StatusPUBLIC

Content hashes

Canonical text1c1f6ab040dc17a5b6840cea233fd09658ab731883a2d5a1fa8fa7200b4459e0
Markdownfdc60539324ff0ad13b8bf28272540bb5d94e4de2b9268a1f77be6c4786c3d17
PDF
Publication page9b8a5a8a85bb718b6268d33e2bbf95e6a272e5e7a8f906ce67ea928249a093aa
Manifestcd43a422b3382c53c59e9beb33b94c3972d8b03ebeadd39ab8125d818c0559ff

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
SignatureJhgSUTwbA6Aw3iVqoORqfd2THvIh+FPd5CFKwnFMIf22oR+FcfggKwDYYENN9CcmaIptsf3b7oZ/R4PWsrJqAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:34.738751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061185
observed 9b8a5a8a85bb718b6268d33e2bbf95e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:34.720729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061185/manifest.json
observed cd43a422b3382c53c59e9beb33b94c39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:34.701511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061185/publication.md
observed fdc60539324ff0ad13b8bf28272540bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:34.682930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061185/publication.txt
observed 1c1f6ab040dc17a5b6840cea233fd096...
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.