OpenTechnical

OT-2026-000072576

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000072576) never changes.

Identity and time

Publication numberOT-2026-000072576 · never reused
Internal UUID01a0ae92-89d8-7948-873d-4f93b7e42a83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072576
StatusPUBLIC

Content hashes

Canonical text6a730144a1648a364ac55d2405557ef6cba5935c22b4d22c309353b51a7b5d39
Markdown91cbb42338932745674515a8caf35b9d3d6343ba32c2b55b38ae466f014ab052
PDF
Publication pagec1416c47045f83327ce06749ac24cc292e23c03ad2da83ca0c26e3d5646cbbe0
Manifestd8872598184b9040779e2bf4f706cce13fd01e704e4217def2df0743dc09c2dc

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
SignatureME47ZtBahme/phEyuqRwRTohYjXpxszLD0mK0AQ79MK+NWDXDefUlYaXLwh8Ty2Eu3039SuUVM6qelsynfI/Cw==
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

2026-09-17T10:22:25.084170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072576
observed c1416c47045f83327ce06749ac24cc29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:25.064551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072576/manifest.json
observed d8872598184b9040779e2bf4f706cce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:25.046095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072576/publication.md
observed 91cbb42338932745674515a8caf35b9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:25.027948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072576/publication.txt
observed 6a730144a1648a364ac55d2405557ef6...
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.