OpenTechnical

OT-2026-000031081

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000031081) never changes.

Identity and time

Publication numberOT-2026-000031081 · never reused
Internal UUID01a0ae74-3fb8-734b-861b-b9a4855d6388 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031081
StatusPUBLIC

Content hashes

Canonical text9cce0e6ac85a2fed9b67c8f4d8858b3b8b4904395ea1f8f3508b38df6cf34635
Markdownac67c61ecae401ca3e17a008db809c96072be8d567b3eace408c66c3b7ae1536
PDF
Publication page83ce640d8b1b44f5868efb4e9bd1289fe427ea824148e782d9ee8b3a96eb1483
Manifestba66780e0068e1dadd4d1b3636482c4043327a183d9e8566952fa00d713c4d70

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
Signature/MOy8yuT3wzaJpnzQtaVMC4iouvtLaJp1TdLiWOaXcNeJTlbLo3d/jeJNW7c0kTNUYovjsFXHjhdsiYXx+5KCw==
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

2026-09-17T11:40:18.138366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031081
observed 83ce640d8b1b44f5868efb4e9bd1289f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:18.123512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031081/manifest.json
observed ba66780e0068e1dadd4d1b3636482c40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:18.106353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031081/publication.md
observed ac67c61ecae401ca3e17a008db809c96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:18.088047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031081/publication.txt
observed 9cce0e6ac85a2fed9b67c8f4d8858b3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:40.247411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031081
observed 83ce640d8b1b44f5868efb4e9bd1289f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:40.229710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031081/manifest.json
observed ba66780e0068e1dadd4d1b3636482c40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:40.214155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031081/publication.md
observed ac67c61ecae401ca3e17a008db809c96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:40.197034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031081/publication.txt
observed 9cce0e6ac85a2fed9b67c8f4d8858b3b...
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.