OpenTechnical

OT-2026-000103751

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000103751) never changes.

Identity and time

Publication numberOT-2026-000103751 · never reused
Internal UUID01a0aea4-e462-7a04-ac53-a0fa6640f67d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103751
StatusPUBLIC

Content hashes

Canonical textf7347fdffc23aacf5610cd93da8975d604bef06a26db22ef91a65f5f73442e53
Markdownbb5522fa894372679a198dda033c5bc198032bfdaec8bb3adcb67e7137102734
PDF
Publication pagee73f43932dcc436c8cad01929cf24e0917210b2e2bfb56717e99c77016510a56
Manifest502c3c949b6c83aeafa663979432a1de49225236d67143ee654812073959dc66

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
SignaturePfdsltRcB/OQghfj7x9WL3RncT0ydMskZ9FgRI5onhnlLwQ0ZpoyzLLWnQs2Phx88BVn5jToO1WRUQcs4v8qCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:42.321950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103751
observed e73f43932dcc436c8cad01929cf24e09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:42.305622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103751/manifest.json
observed 502c3c949b6c83aeafa663979432a1de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:42.290366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103751/publication.md
observed bb5522fa894372679a198dda033c5bc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:42.273597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103751/publication.txt
observed f7347fdffc23aacf5610cd93da8975d6...
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.