OpenTechnical

OT-2026-000054044

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000054044) never changes.

Identity and time

Publication numberOT-2026-000054044 · never reused
Internal UUID01a0ae85-b3a7-7b37-9102-4c44d08e7125 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054044
StatusPUBLIC

Content hashes

Canonical texta4174ef2bc4c30eae910f2f00a9aefc81c0218211a0f38ccba1f2f81223fddf5
Markdown9a57f7fb05027aac64db91d6f51e118180a737151a985d47de5b6004c818324e
PDF
Publication page2463d3f9ec681c6f504e9de39647ef4ece6ddde2bcb67adb180e68e003250723
Manifest8d164f71093e6440dc59692834a154c0d37620dc72638359aa61a2fa8ae51cb5

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
SignatureOk5ZyNMkq3blRkkifbs3cCZCIv4PA+3WTkId6dqfnvqB7++Op1lWXZrKjUmo8Hc/Zn0cUP5Flv9IfgHJA9dUDQ==
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

2026-09-17T10:54:24.870810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054044
observed 2463d3f9ec681c6f504e9de39647ef4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:24.852621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054044/manifest.json
observed 8d164f71093e6440dc59692834a154c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:24.788033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054044/publication.md
observed 9a57f7fb05027aac64db91d6f51e1181...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:24.683492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054044/publication.txt
observed a4174ef2bc4c30eae910f2f00a9aefc8...
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.