OpenTechnical

OT-2026-000079529

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, sustained 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-2026-000079529) never changes.

Identity and time

Publication numberOT-2026-000079529 · never reused
Internal UUID01a0ae96-0b91-7555-82a4-bbb4769346c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079529
StatusPUBLIC

Content hashes

Canonical text2c9568ba9c71d40364f6d0c767779b790101de324ae693ff102f12b2d328af48
Markdown188bf703c267838026a7b7af3bd5e0a20fd7cf11c92ef4d49c19e23e92ddd350
PDF
Publication page5f033d4113a8ccfc9458c5b1c5a00402bd3714d91f5745f74401b88b7eb59436
Manifest10ec8313d017f518250b8164a9f228a02c18a14a411ca0209b251568ed6a88c8

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
SignaturezCAnOJpZVqPKcCATJYGPOu2J8ziCTg2n+C6mvYzVtYZGeYW57eqqVGWMe9hu4YcqKABg+8SU9bvDFFw6CN+KCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:10.491743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079529
observed 5f033d4113a8ccfc9458c5b1c5a00402...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:10.475098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079529/manifest.json
observed 10ec8313d017f518250b8164a9f228a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:10.456893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079529/publication.md
observed 188bf703c267838026a7b7af3bd5e0a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:10.438652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079529/publication.txt
observed 2c9568ba9c71d40364f6d0c767779b79...
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.