OpenTechnical

OT-2026-000049372

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000049372) never changes.

Identity and time

Publication numberOT-2026-000049372 · never reused
Internal UUID01a0ae81-8f7b-7a18-a393-6603fb3c284c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049372
StatusPUBLIC

Content hashes

Canonical text5b863e5f337744c720c218d4e36e2e2b6c2438c4e3874054563cd732b5b07f70
Markdown1b2a0375cad40a77915cb2e3982ae8454a9ddaef547517dfef916907cc3ac980
PDF
Publication page977f2fa5e206880990049cadf83e2ecb538065c1a4ccfff55ee2fc93ac907154
Manifest64241f4ccd2320fd2e58a99864e0a6a004ba7aad849524cf9fe9453cdbd87ff4

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
SignatureA0HwhdpKSRdz+PBkfSrqr8Je7lmKR8/I58hWWCtV3iirw6bP4U+XLbCOWaqzL4hRsht24ufIqH7/BErIY1o0CQ==
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

2026-09-17T11:02:10.468423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049372
observed 977f2fa5e206880990049cadf83e2ecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:10.446617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049372/manifest.json
observed 64241f4ccd2320fd2e58a99864e0a6a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:10.426564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049372/publication.md
observed 1b2a0375cad40a77915cb2e3982ae845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:10.406059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049372/publication.txt
observed 5b863e5f337744c720c218d4e36e2e2b...
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.