OpenTechnical

OT-2026-000085014

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000085014) never changes.

Identity and time

Publication numberOT-2026-000085014 · never reused
Internal UUID01a0ae99-43b7-70ef-8f37-a9c10ff5efca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085014
StatusPUBLIC

Content hashes

Canonical text66f9b2780a2f10dcb384e11f03c789bae00f4e59b3a82f9bb801d652a6089b59
Markdown4a2359738d0c66525881583941c633e1f1951ca8e7d2e5d0d03dcdd95cd2b967
PDF
Publication pagee7608cc6f2b2fa652780574457c451bacfdf5fba65296ea2429e2d450762f28d
Manifestb6f5944c7a583061de7fff4ec5c1f3a568fa674326a002b8137e00038194cc16

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
SignaturezZg90J5b3eLydbdjsd4v4bf0imjhhBc9bACI6YllS0qy2AWcoXmvLLUlmeqJexaCZdiceZoRd2PG5DDtXVNcCA==
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

2026-09-17T09:55:01.329173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085014
observed e7608cc6f2b2fa652780574457c451ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:01.311209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085014/manifest.json
observed b6f5944c7a583061de7fff4ec5c1f3a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:01.292064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085014/publication.md
observed 4a2359738d0c66525881583941c633e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:01.273147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085014/publication.txt
observed 66f9b2780a2f10dcb384e11f03c789ba...
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.