OpenTechnical

OT-2026-000031386

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000031386) never changes.

Identity and time

Publication numberOT-2026-000031386 · never reused
Internal UUID01a0ae74-87ad-73b9-b184-07a7b00f6afb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031386
StatusPUBLIC

Content hashes

Canonical text86834d4e14bb3fd94091d8cb984a5284dc634f599163db245ec1981972b6ee60
Markdown027afea4317836b2ed41e443a6a6c173e3904628abe8e70ae9594db7865141c8
PDF
Publication page6aafdaa210e5f3d2c5b3c9a7f3b93b9f5161cf55e38c014ce1a06bc99a1ac7cb
Manifest46ade3430f68450a1822975645a8781b4896a4e826abf62cff5e617840d30c74

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
SignatureM0c6Dua8tebHf6tyHL+awtpsjUbwEMDhJDV5LefrVbr79fSm+07YaDoTOJAClO3nQpUieOND8ua3A3356+XIDQ==
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

2026-09-17T11:36:05.690358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031386
observed 6aafdaa210e5f3d2c5b3c9a7f3b93b9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:05.672432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031386/manifest.json
observed 46ade3430f68450a1822975645a8781b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:05.654559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031386/publication.md
observed 027afea4317836b2ed41e443a6a6c173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:05.633224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031386/publication.txt
observed 86834d4e14bb3fd94091d8cb984a5284...
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.