OpenTechnical

OT-2026-000086513

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000086513) never changes.

Identity and time

Publication numberOT-2026-000086513 · never reused
Internal UUID01a0ae9a-2c97-722b-ad2c-b01c0785e8e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086513
StatusPUBLIC

Content hashes

Canonical textf97b59264b9bc128f76af734a918b41ea5ce94aa0ad81c333b7194a9be525ffb
Markdowncc289d19f98eee3e6ac16b19c9880a9efda951f18d29181ae59fd23799b26d91
PDF
Publication page1016d59457ab414a91134b5b2e3102569f44c09c4058f32f4808fea3d24bd507
Manifestf5734bba83c1a84c2f74ab72e8143816b54e0b2a490a87c6ecb8b7cec3ab5004

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
Signature3hiIU8CcJL1as2Sv+NEaVsXYEjR2XZU7AzbVBV+Wb2s3M67ODYvmDn0TCQg7z5ycx1d8T+8UYnimmXVZ5UqEBA==
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

2026-09-17T09:52:19.991360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086513
observed 1016d59457ab414a91134b5b2e310256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.974836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086513/manifest.json
observed f5734bba83c1a84c2f74ab72e8143816...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.957375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086513/publication.md
observed cc289d19f98eee3e6ac16b19c9880a9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.939941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086513/publication.txt
observed f97b59264b9bc128f76af734a918b41e...
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.