OpenTechnical

OT-2026-000074659

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold 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-2026-000074659) never changes.

Identity and time

Publication numberOT-2026-000074659 · never reused
Internal UUID01a0ae93-ac2b-7d1f-a679-60efc7044a81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074659
StatusPUBLIC

Content hashes

Canonical texte326a2e80ebff85a21a31c4ce42df8a91654059718dfdf56073870c7c6e9b033
Markdown53bc1bbbde9f56169d118de2bd92d43c333e347b3823405199a370b5b58a3ec0
PDF
Publication page2a5824b1089355c1279bb1cc04d43e605533605712edba9f4dcb751183d07b93
Manifestd74232881a0f3002ccb5617c44f41c94236e3b7793fcebc14cd9d78ac8ea3a59

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
Signaturew6DB7WvuuqTumksLtheMgbn5IYME/I+RvhVk8sucXTBLroFDRBPdytwBgUxpoId/Hsi2fYHCZjhdsi/6u/9VCQ==
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

2026-09-17T10:18:14.193460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074659
observed 2a5824b1089355c1279bb1cc04d43e60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:14.173802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074659/manifest.json
observed d74232881a0f3002ccb5617c44f41c94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:14.154550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074659/publication.md
observed 53bc1bbbde9f56169d118de2bd92d43c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:14.136605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074659/publication.txt
observed e326a2e80ebff85a21a31c4ce42df8a9...
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.