OpenTechnical

OT-2026-000081311

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, sustained blow-off before set-down

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-2026-000081311) never changes.

Identity and time

Publication numberOT-2026-000081311 · never reused
Internal UUID01a0ae96-f374-73e4-8659-937fb504558c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081311
StatusPUBLIC

Content hashes

Canonical text60d7254021470a7400e0e7a7a6f3f27b70952a28cf2f3b34e2af6bbff3aaf2d8
Markdownab8cfed1bd9e52cb91275d0ba17ef582e3bdd0610e7f2b3d92f3ac0a04943ef4
PDF
Publication pagedd25b768a10b93af46d1e94d01d6ae62f0cd0c402dd55bb91665688cbb908ff3
Manifestd649ba1f26c71569ecf633c1d6217f2b8cdb43c8211788cdb76600e4cc79fa25

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
SignatureVZ9XG+LetxIH5cezFy/Lf/ys2YtE9B1hTubwDl348Z0++N2pGh0u67bWVgvcbrfCy6dJdEPs/OPVMvxKA4SNAw==
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

2026-09-17T10:01:25.560427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081311
observed dd25b768a10b93af46d1e94d01d6ae62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:25.544550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081311/manifest.json
observed d649ba1f26c71569ecf633c1d6217f2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:25.528204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081311/publication.md
observed ab8cfed1bd9e52cb91275d0ba17ef582...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:25.512043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081311/publication.txt
observed 60d7254021470a7400e0e7a7a6f3f27b...
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.