OpenTechnical

OT-2026-000051602

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000051602) never changes.

Identity and time

Publication numberOT-2026-000051602 · never reused
Internal UUID01a0ae83-7c81-7b0c-acad-a859397894f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051602
StatusPUBLIC

Content hashes

Canonical text614f4acd00f5a7cd1a0f8980392985cae09762a528f6b3362a7422a8fde6275a
Markdown51c1b23b3e09fc79b3bd09f23d6f48bbb3de8b1f33584a820d2744e8aa437164
PDF
Publication page91022ff4c48daf31ba25eade2ce11670fd2e817b4298facdd1f28bf8cbaf2e24
Manifestdd765ef76cbacb6cfbc3ab34f03a5431382a6b492cb82d2b0418dcbbec4e39a2

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
SignatureAw5uoOIO/ba159G8hq+xYCvQ5EEq+dHI0hU1UF/b281J6s6DTduwtWNYMTaruJVyLbc8nF8EYLRkCf+HyjFhDg==
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

2026-09-17T10:58:27.217706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051602
observed 91022ff4c48daf31ba25eade2ce11670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:27.200767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051602/manifest.json
observed dd765ef76cbacb6cfbc3ab34f03a5431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:27.181581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051602/publication.md
observed 51c1b23b3e09fc79b3bd09f23d6f48bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:27.161550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051602/publication.txt
observed 614f4acd00f5a7cd1a0f8980392985ca...
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.