OpenTechnical

OT-2026-000054800

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000054800) never changes.

Identity and time

Publication numberOT-2026-000054800 · never reused
Internal UUID01a0ae86-1285-733b-bf3c-a2d1430b9de1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054800
StatusPUBLIC

Content hashes

Canonical text2d6a025c137edae6e528f399f18b359073626f887649b6a806b2e82097859632
Markdown6b93cabbadafd36f7b64ffd49079aaf79ec3b273241dd81275570f06412571cb
PDF
Publication page16f84610326da220de46001bc0e36411ad0c204bbafe6e2ef55c919a962d7156
Manifestb05793feef1c54bee71f977d5775575c465c611607c5934c1e9f6e243d86804f

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
Signature+OzoVFzpg6GUXs4ZgjZlnxm95eX+7ayyT7c0lGlqX2qpqlufmqzQt0M406yvjITRcdLTuLPgXq7xcVx+jjSKAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:00.115765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054800
observed 16f84610326da220de46001bc0e36411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:00.098687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054800/manifest.json
observed b05793feef1c54bee71f977d5775575c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:00.079699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054800/publication.md
observed 6b93cabbadafd36f7b64ffd49079aaf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:00.061702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054800/publication.txt
observed 2d6a025c137edae6e528f399f18b3590...
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.