OpenTechnical

OT-2026-000072367

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000072367) never changes.

Identity and time

Publication numberOT-2026-000072367 · never reused
Internal UUID01a0ae92-47c3-7f06-b418-695e67c6fdf8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072367
StatusPUBLIC

Content hashes

Canonical text7fee2775a808f7869093b142376cbe91189e033854aaa18858da87c59017d70b
Markdownc61fbc19ac74ac3e85af54b9ac0b6e85b467ad03f9b140842dde4079b501c40c
PDF
Publication page26f1399a66508159cb68c4d9f337ed9ca8213f7f918ae80d32483212039c938b
Manifestaa993782f62be58b20401cf4b5c6642dd54c4e585e0c692225121940a45b99ef

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
Signature5//L5YoODqr+t0CyNbvdbd6qRWpYmcIGnyH4C4GZhdc7uiN+BkdIwT7REsAFnJFl4a3IZLV7bwNFXr6H4XDtCg==
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

2026-09-17T10:23:36.191204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072367
observed 26f1399a66508159cb68c4d9f337ed9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:36.175567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072367/manifest.json
observed aa993782f62be58b20401cf4b5c6642d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:36.159602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072367/publication.md
observed c61fbc19ac74ac3e85af54b9ac0b6e85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:36.143974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072367/publication.txt
observed 7fee2775a808f7869093b142376cbe91...
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.