OpenTechnical

OT-2026-000081064

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented after 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-2026-000081064) never changes.

Identity and time

Publication numberOT-2026-000081064 · never reused
Internal UUID01a0ae96-b976-7306-96d2-911365df44e4 · 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-2026-000081064
StatusPUBLIC

Content hashes

Canonical textc0eae637b6530b1f2ebdddb7bd9f5e9c08a05a3029260805d4c07c38648d8403
Markdown8ca66b93a97176f8b6e3d54489d8f44f4783b47abc3c0184b50941802a8742c4
PDF
Publication page79ff92e29a58b2c2408008afb54d711db64ec9e383e48643ca890c162e0ed207
Manifestf7c27286356a779f390e9068a78de693b44db3a9f210aff7e9c869cb2edcfb09

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
SignaturecMXrTk4JShQpENV6TvQLW+k9GTlQR0ydb7mkLwNu3NkgLKlYoGFn0XQLTH/tMtA1EeCfsXYzL1fmICIeNmH/DQ==
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

2026-09-17T10:02:21.656294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081064
observed 79ff92e29a58b2c2408008afb54d711d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:21.638570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081064/manifest.json
observed f7c27286356a779f390e9068a78de693...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:21.621171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081064/publication.md
observed 8ca66b93a97176f8b6e3d54489d8f44f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:21.604653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081064/publication.txt
observed c0eae637b6530b1f2ebdddb7bd9f5e9c...
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.