OpenTechnical

OT-2026-000101068

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000101068) never changes.

Identity and time

Publication numberOT-2026-000101068 · never reused
Internal UUID01a0aea3-c377-7563-a8d0-fd9f98f0dbcd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101068
StatusPUBLIC

Content hashes

Canonical texteb1d93cb3ec54665bac542fd2e7d4c9fd7d83ff6b94420393a7b49c414b21be8
Markdown11b9bace5cef8a0368d1efcc3ef4e68a216874c0b3548b86e4dc14fc0f25f005
PDF
Publication pagee1b469fbaf252112ed2c359c4529174512bd7bad3460cb62b683366bb4e2bb5e
Manifest5d804412dcb4dfa782ed7f58d55ae138eab6691cb0adf4385dc27f0558c8ce35

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
SignaturezmW/QMBaalMkvu1JHL8iiPki3ZBZFAEViEhhIYV1NrgZlq3Jd/jjP1CsOTHpQd4C5UtIYsWZio9gDaJMfGkfCg==
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

2026-09-17T09:26:41.015301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101068
observed e1b469fbaf252112ed2c359c45291745...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:40.997261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101068/manifest.json
observed 5d804412dcb4dfa782ed7f58d55ae138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:40.980243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101068/publication.md
observed 11b9bace5cef8a0368d1efcc3ef4e68a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:40.961251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101068/publication.txt
observed eb1d93cb3ec54665bac542fd2e7d4c9f...
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.