OpenTechnical

OT-2026-000075214

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000075214) never changes.

Identity and time

Publication numberOT-2026-000075214 · never reused
Internal UUID01a0ae93-f200-7d32-9dad-f72f19ad8011 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075214
StatusPUBLIC

Content hashes

Canonical text4468f8aa7cfe47934873cb7bdcfabed19f2c58db69495a43418f342fd4b1d7a4
Markdown6bc007cd91e3d3a7904db15fc32fcdde5cf40f3e94ae6913f865bcdaa43ca1e1
PDF
Publication pageafb5109867f8c187e04366d023b3485db5cdd4068c54798cfcdcd79c1531d2b3
Manifestf6f154b9f14c2858c5afe5870705cefc5f141387e00092e9026735e538d308fa

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
SignatureWG8JMH1+lCQ/IefWSyicNF4m2ZWxSarxlrrvDu42hvu0DUxv+6y2q5xjleXM8qXaMk0ymcOR44B3Q19ePETcDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:29.062314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075214
observed afb5109867f8c187e04366d023b3485d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:29.042584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075214/manifest.json
observed f6f154b9f14c2858c5afe5870705cefc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:29.001700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075214/publication.md
observed 6bc007cd91e3d3a7904db15fc32fcdde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:28.980901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075214/publication.txt
observed 4468f8aa7cfe47934873cb7bdcfabed1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:43.246195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075214
observed afb5109867f8c187e04366d023b3485d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:43.225557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075214/manifest.json
observed f6f154b9f14c2858c5afe5870705cefc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:43.205033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075214/publication.md
observed 6bc007cd91e3d3a7904db15fc32fcdde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:43.060517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075214/publication.txt
observed 4468f8aa7cfe47934873cb7bdcfabed1...
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.