OpenTechnical

OT-2026-000080697

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000080697) never changes.

Identity and time

Publication numberOT-2026-000080697 · never reused
Internal UUID01a0ae96-b973-7899-bb29-fab90db1bc5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080697
StatusPUBLIC

Content hashes

Canonical text1f38fb0b24160e17b699763ac33af041dfe8026125c61ff5b8cb53d6def49e63
Markdown3e9933936b94748e9fff24472f4469c59f836f2b1766a270eaf011a7a88de043
PDF
Publication pagecc1acbe7db551866fb3d1e063cc0047954eb2f4582677816a2b73b4b28c89a7d
Manifeste0870c39f3df89fd7f107b6970fc64d5d7c78debadd8f12ee91fb8c5472b4e72

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
Signaturesa1Y91li/NpgmooIKHO/L9ANLrgdp5SSaq1KONkh+rRI8rKOVdO4kZ7qBx5B3swfdJoZDX8W8myRWC/xR7HVDA==
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

2026-09-17T10:01:41.272285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080697
observed cc1acbe7db551866fb3d1e063cc00479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:41.222990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080697/manifest.json
observed e0870c39f3df89fd7f107b6970fc64d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:41.205027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080697/publication.md
observed 3e9933936b94748e9fff24472f4469c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:41.158460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080697/publication.txt
observed 1f38fb0b24160e17b699763ac33af041...
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.