OpenTechnical

OT-2026-000022633

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000022633) never changes.

Identity and time

Publication numberOT-2026-000022633 · never reused
Internal UUID01a0ae70-46e9-7af8-8fb5-f70abe2eb448 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022633
StatusPUBLIC

Content hashes

Canonical text497160383a2ead4df7d7020eb87c79116c0d39b3312b86741d6185a94c0cfa32
Markdownb20d6b85951d39aa7dd13378b4ef06bf44025cc1947a3f73af8418890767e3e0
PDF
Publication page32784676cfeed60902d74cc79b6343ce4d5ce33fc3ab18cc7432d63a61ce7ef7
Manifest1ec010957b5fb4aede7cdb91160de0c972bd46a1a059acef66e3fa1892ccabf7

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
SignatureXI/Jjh/kOIeXwSGUdgZQUSO/u/tVghjFFQG6TkdIKDoxQgFLIxoQYewE3GyLYZZCzDvpbXCC1M7yZYYFeyZ/DQ==
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

2026-09-17T11:52:00.647789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022633
observed 32784676cfeed60902d74cc79b6343ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:00.627230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022633/manifest.json
observed 1ec010957b5fb4aede7cdb91160de0c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:00.607603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022633/publication.md
observed b20d6b85951d39aa7dd13378b4ef06bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:00.587498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022633/publication.txt
observed 497160383a2ead4df7d7020eb87c7911...
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.