OpenTechnical

OT-2026-000049236

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000049236) never changes.

Identity and time

Publication numberOT-2026-000049236 · never reused
Internal UUID01a0ae81-134f-7226-94d9-b23d388ae1a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049236
StatusPUBLIC

Content hashes

Canonical text3691c630679776341a224052123a2b6b416fb61de413e63e9d6f24750b8033ea
Markdown5f419e59c0a85b86898699d23343352ebbfd0c07423b0dc5db08d07e94613d89
PDF
Publication page2e0b8d9e2b62ff4b791178680d5700e89328f31241deb00774e1d7ca65105be0
Manifest44f42f0b45b8e28d23dad08f9be19cc8884ff925e40270f84d0f1af4f1a86797

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
Signature6RP+Vcm/o7mqAL5RRvEjDxHHQ/s757lFnjGQEkEBPnQNRSCph4ZRPh58HCyXMzHyUcduJ/hAMfyrz+Tr5iBNBA==
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

2026-09-17T11:04:03.750635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049236
observed 2e0b8d9e2b62ff4b791178680d5700e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:03.732337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049236/manifest.json
observed 44f42f0b45b8e28d23dad08f9be19cc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:03.714045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049236/publication.md
observed 5f419e59c0a85b86898699d23343352e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:03.694559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049236/publication.txt
observed 3691c630679776341a224052123a2b6b...
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.