OpenTechnical

OT-2026-000086100

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, 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-2026-000086100) never changes.

Identity and time

Publication numberOT-2026-000086100 · never reused
Internal UUID01a0ae99-e82b-7914-98a4-509eb99c71b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086100
StatusPUBLIC

Content hashes

Canonical texted5cae27867f53c0a3043ae84ec4cea8463b568ca59a73c112da5c0bd1630788
Markdownb9d1644d26d76f82cd226473132248b5b98c7fa3ae762082c79ed0933badac2c
PDF
Publication page0469f6d32a762ba3a405be681afb4a70231f127da0ad92a6a7079daadcf89e2b
Manifeste24dcf458f62a9a2c68e33a92c38ac4b2d6a565adb2decbf93fc21194af17b13

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
Signaturewmdjnn5pfKoTV84M/5KQ+DlXshDRdxnOlIjinOfn029el3rqywUK3yCYm3SSqqPLjAZ/0asCpQDfsd5RC8f8AQ==
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

2026-09-17T09:53:45.097991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086100
observed 0469f6d32a762ba3a405be681afb4a70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:45.080233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086100/manifest.json
observed e24dcf458f62a9a2c68e33a92c38ac4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:45.062230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086100/publication.md
observed b9d1644d26d76f82cd226473132248b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:45.043348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086100/publication.txt
observed ed5cae27867f53c0a3043ae84ec4cea8...
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.