OpenTechnical

OT-2026-000077446

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, vented after 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-2026-000077446) never changes.

Identity and time

Publication numberOT-2026-000077446 · never reused
Internal UUID01a0ae94-f509-72e9-a2b9-40c0cb250431 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077446
StatusPUBLIC

Content hashes

Canonical text33564c1e039e4630c92a25027c6f9aa27d67aa347ca19804e3090972b973a51c
Markdown0316845ffd86e409f20f55b8e92fbe7f0e7d2a1d1cd9173d5ef5aeb20c23c5da
PDF
Publication pagedeaca38e18d058b1787dd2a2b83cc216ed62d9502f10d82a695837840a5c14ac
Manifest8ba40637ad1d7eb021fe7fd91f65c741b6b1f33464f874df3d12571e223b8d7f

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
SignatureFSlbuASHZp6tzkyaz7kXbv0VWEpopsQEsNyuZJOGhxDjRTxEyVoiGIsvjoKFEyxx46y1l14mFzOyKlT3WgAACQ==
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

2026-09-17T10:10:51.240470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077446
observed deaca38e18d058b1787dd2a2b83cc216...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:51.219924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077446/manifest.json
observed 8ba40637ad1d7eb021fe7fd91f65c741...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:51.198328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077446/publication.md
observed 0316845ffd86e409f20f55b8e92fbe7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:51.052582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077446/publication.txt
observed 33564c1e039e4630c92a25027c6f9aa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:20.774490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077446
observed deaca38e18d058b1787dd2a2b83cc216...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:20.755338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077446/manifest.json
observed 8ba40637ad1d7eb021fe7fd91f65c741...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:20.738087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077446/publication.md
observed 0316845ffd86e409f20f55b8e92fbe7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:20.719771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077446/publication.txt
observed 33564c1e039e4630c92a25027c6f9aa2...
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.