OpenTechnical

OT-2026-000057369

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented before 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-2026-000057369) never changes.

Identity and time

Publication numberOT-2026-000057369 · never reused
Internal UUID01a0ae87-d5bd-79e0-9d0e-ac0fc97a0d26 · 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-2026-000057369
StatusPUBLIC

Content hashes

Canonical text98c48e323797309d709daea69b840152bab8c90ef2990a30bd0cb18d979fa0c4
Markdown15fdcc4de9859adc44863d69d3ba54b1aba1512992ad5913088437f0817f1b78
PDF
Publication pagea48105d1e3dfa554e393816697d0c5a319c745abbbff923269faa1f6eb4f9d3d
Manifest2d430a5411e427da68156a9808d89556cee8efb04ca34425faab049449dc9327

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
Signature2GxNGJaKvb+gR/7IWUMEQnpdPn+9nJlCNxtTMSdGF5PpZtuM856eYopMjSWYeJya/t5AdN6pi+WwG8SWU8I/Aw==
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

2026-09-17T10:50:29.909593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057369
observed a48105d1e3dfa554e393816697d0c5a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:29.890447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057369/manifest.json
observed 2d430a5411e427da68156a9808d89556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:29.869841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057369/publication.md
observed 15fdcc4de9859adc44863d69d3ba54b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:29.847845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057369/publication.txt
observed 98c48e323797309d709daea69b840152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:39.041510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057369
observed a48105d1e3dfa554e393816697d0c5a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:39.024467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057369/manifest.json
observed 2d430a5411e427da68156a9808d89556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:39.007028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057369/publication.md
observed 15fdcc4de9859adc44863d69d3ba54b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:38.990315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057369/publication.txt
observed 98c48e323797309d709daea69b840152...
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.