OpenTechnical

OT-2026-000056229

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000056229) never changes.

Identity and time

Publication numberOT-2026-000056229 · never reused
Internal UUID01a0ae87-4bd1-7a18-a0a0-574a59864485 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056229
StatusPUBLIC

Content hashes

Canonical text2622de3c56545c1ea64628b551c037174fea86e0ac01ff9e9d151e73fb603ec6
Markdown7c1e929fbae4cfc253253cd0e61ca4b87faff61d67b068df0542655b5ccc2b5d
PDF
Publication pageb25e5a9eab8efec7b422b1adea2ff1eac3ea8f5b32c696b586a3671bd210e2dc
Manifest73e295a7d1c6920f5d4e4cc199ff1368fd61ef148db574fd681ee181fdb72e39

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
SignatureSNZjmYN7kGBTMr+BJKASjqbh1LldlcUf8Tw0QGn1Zac1cLqvqzpzLj22Bs54Eqg3LOWtH3XWMGZ83E+14k7PDA==
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

2026-09-17T10:50:42.434679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056229
observed b25e5a9eab8efec7b422b1adea2ff1ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:42.416832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056229/manifest.json
observed 73e295a7d1c6920f5d4e4cc199ff1368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:42.399786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056229/publication.md
observed 7c1e929fbae4cfc253253cd0e61ca4b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:42.383524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056229/publication.txt
observed 2622de3c56545c1ea64628b551c03717...
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.