OpenTechnical

OT-2026-000069063

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000069063) never changes.

Identity and time

Publication numberOT-2026-000069063 · never reused
Internal UUID01a0ae90-6dce-7f17-83f7-a8fab3651bbf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069063
StatusPUBLIC

Content hashes

Canonical texta0b323d97e18d0243feed2a57018a9d945fd0733500b0bfd72fcf44684f0209b
Markdowna4534f859ea68b3fc8d66ee107759282c61eeb76c9926cd1e04bab231d8d028c
PDF
Publication pageab7f4f3544d40be6fd47ea88aa552d5e79788bc37a5e86e26bb65419e13329ac
Manifest09ca1aca5b42aad6d45b7a2f95cbe4397c3df476e4d8f6152c86aa717e48fa2b

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
SignaturePAtPC13gNNAIhmnANiTrcdlxOM8zHRMv2aew41o1PJQVv6gOT2GmgCJnlvF9c6YN5AGb8oWX+Afw0dMysH3DAA==
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

2026-09-17T10:28:55.640633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069063
observed ab7f4f3544d40be6fd47ea88aa552d5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:55.622958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069063/manifest.json
observed 09ca1aca5b42aad6d45b7a2f95cbe439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:55.604860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069063/publication.md
observed a4534f859ea68b3fc8d66ee107759282...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:55.585886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069063/publication.txt
observed a0b323d97e18d0243feed2a57018a9d9...
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.