OpenTechnical

OT-2026-000057013

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000057013) never changes.

Identity and time

Publication numberOT-2026-000057013 · never reused
Internal UUID01a0ae87-d5b5-7e25-86e9-889269aecc99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057013
StatusPUBLIC

Content hashes

Canonical text34c64e8497d71148cfa8a6749e854cf26326d2ba300bace4d702a677019b8e72
Markdown643f026d7186422b9614a632197632ff4b35e51a8ad6175001eba612c0bcfc71
PDF
Publication paged5d9237d0cc9bdd733bb34c4fd0e8c9e75728326b6c61ade4341d4f546afb928
Manifestc81a1eda979e50d638382f85d97c1d874236862fa2d2adde4eb3f598aa94d18d

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
SignatureINnORHPQ5jilP1Vm4VYySI6+wUlGh3RoLWSEgP96BrBmEuu1CwBRnQRA78sSgBJzaUusUwKmJ1d6SVpFgKKlBA==
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

2026-09-17T10:48:29.286682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057013
observed d5d9237d0cc9bdd733bb34c4fd0e8c9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:29.270313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057013/manifest.json
observed c81a1eda979e50d638382f85d97c1d87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:29.253156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057013/publication.md
observed 643f026d7186422b9614a632197632ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:29.235798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057013/publication.txt
observed 34c64e8497d71148cfa8a6749e854cf2...
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.