OpenTechnical

OT-2026-000080993

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000080993) never changes.

Identity and time

Publication numberOT-2026-000080993 · never reused
Internal UUID01a0ae96-b975-7d6b-99a6-2476a96f6c77 · 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-2026-000080993
StatusPUBLIC

Content hashes

Canonical textb6b30934eaa6fe7080bd372557c7fdf6b43b297f450b3c97149531f24bb8e142
Markdown34808fd3513ed2ccbee74042c6b66a22ab5d498ae96a64c1f27d8b1fdae87bae
PDF
Publication pagec3c1fba99afbca79563ce8e38b522c2a63dbabec13981e1e7e4aae58da5bb0ff
Manifest24a28fd083026ab1b0b2c4583f5f6d6ec562404aae35b54edd47cc299baf89d7

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
SignaturePrPwoWuRYpCUKNGImh46EbshK3dpBQmEUQWiXDxGP5FvINcyKGJz7iUaY0859UYNDR12NByTQapxNFk5/zEjBA==
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

2026-09-17T10:02:16.686468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080993
observed c3c1fba99afbca79563ce8e38b522c2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:16.668504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080993/manifest.json
observed 24a28fd083026ab1b0b2c4583f5f6d6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:16.652238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080993/publication.md
observed 34808fd3513ed2ccbee74042c6b66a22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:16.635586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080993/publication.txt
observed b6b30934eaa6fe7080bd372557c7fdf6...
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.