OpenTechnical

OT-2026-000034919

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000034919) never changes.

Identity and time

Publication numberOT-2026-000034919 · never reused
Internal UUID01a0ae76-1ed3-76ee-b26d-a75134273a65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034919
StatusPUBLIC

Content hashes

Canonical textd98a0525add0da73b898295c5fa3a3cf25b93f9bbe10cb468a2676bc73154949
Markdown94c93464964b0eb20b2084e21cf142470aa7af4e14d2fe804062aa965f37b24b
PDF
Publication page733f91d00867ed396a29ed5b22e9b51a486adead060e46a6d72cc2c5a82d9ae4
Manifest12b5d0211d08e08c8a21910f9845b6758d57bf746a7cbfe57354600b19027bab

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
SignatureLlnciJTc+he+j88lW6HadY7kvVu2Hq5Q+zkh8K+p9TE9UZek/WJ01PH45M0ZNkRtn7z0qipPWFH0sRq6EJU9Ag==
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

2026-09-17T11:30:42.288585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034919
observed 733f91d00867ed396a29ed5b22e9b51a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.271258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034919/manifest.json
observed 12b5d0211d08e08c8a21910f9845b675...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.252328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034919/publication.md
observed 94c93464964b0eb20b2084e21cf14247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.233450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034919/publication.txt
observed d98a0525add0da73b898295c5fa3a3cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:57.138960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034919
observed 733f91d00867ed396a29ed5b22e9b51a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:57.120037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034919/manifest.json
observed 12b5d0211d08e08c8a21910f9845b675...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:57.101105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034919/publication.md
observed 94c93464964b0eb20b2084e21cf14247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:57.066992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034919/publication.txt
observed d98a0525add0da73b898295c5fa3a3cf...
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.