OpenTechnical

OT-2026-000016556

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000016556) never changes.

Identity and time

Publication numberOT-2026-000016556 · never reused
Internal UUID01a0ae6e-2d14-79b1-b59f-85f24c854830 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016556
StatusPUBLIC

Content hashes

Canonical text003351d7431da8ce7ac55aeafa9c1fbf79348dba3d742c8ba80af2aacea86fbf
Markdownd1cb995e6cd139b2e14515b5754073280142344b3a6d9be9cc67b7b7d7a2e755
PDF
Publication page597f18732fb701ec89f9f4a297b47995dabc292edbd787ad25bc761d82d998d9
Manifestd90b71afdb6e2f3e732ed639951cc804af4b8a0cd57d65ef332fc0399ff8e9f5

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
SignatureUVBLpORMV7Dq28xNgQ3ZFUzA30ba62ecMBVsdF8iQD3LHELGggDFuxgF5eMBaC3nE3F4fPgT8VsdSPt4X3tBDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T12:04:47.014610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016556
observed 597f18732fb701ec89f9f4a297b47995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:46.997412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016556/manifest.json
observed d90b71afdb6e2f3e732ed639951cc804...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:46.979676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016556/publication.md
observed d1cb995e6cd139b2e14515b575407328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:46.961525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016556/publication.txt
observed 003351d7431da8ce7ac55aeafa9c1fbf...
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.