OpenTechnical

OT-2026-000085647

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump 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-2026-000085647) never changes.

Identity and time

Publication numberOT-2026-000085647 · never reused
Internal UUID01a0ae99-aaad-7873-8ed6-323bdac73195 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085647
StatusPUBLIC

Content hashes

Canonical text1f12e32b0370a6e54070868169dc08b88a44f368837fedc0236e2c86ec78e76f
Markdown909efe663d862cc0e18244deed0a0b5d3181018c6bb07ca978153c9431bae054
PDF
Publication pageefa80844014ac4ba3acd16da216fe619bf3d3fb25eb85a46ef1472dc40c64cdd
Manifest2cfce01154362aeb1e4ca5c58b703f24408f1d853d25f02ed67d7732a80161e4

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
Signatureu8L2uHKCSDfLnqXEMihWL7RQyKzlw+Z4zeInOwi+y1l10/3jDqxSu7RHt4ayk3FsIrKvaCnagCHBW0MUbJusAA==
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

2026-09-17T09:54:32.115371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085647
observed efa80844014ac4ba3acd16da216fe619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:32.099391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085647/manifest.json
observed 2cfce01154362aeb1e4ca5c58b703f24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:32.079804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085647/publication.md
observed 909efe663d862cc0e18244deed0a0b5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:32.063291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085647/publication.txt
observed 1f12e32b0370a6e54070868169dc08b8...
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.