OpenTechnical

OT-2026-000063685

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000063685) never changes.

Identity and time

Publication numberOT-2026-000063685 · never reused
Internal UUID01a0ae8c-f946-7706-bb26-5d2a0c95b0ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063685
StatusPUBLIC

Content hashes

Canonical textc158bb7d16f36d03b5772085b01a89b898bd78ec568ffc95be56450ae0a42f76
Markdownb3271b8cc16d1e61272e3525eec2a71e339b1db2ca7230346a75300d1c7c18ff
PDF
Publication page414f451fd2e83031f378923240ff86e79ec96873d7fe77154460d459513b1f83
Manifestfb7505e2f10bc5b3ddd2111feb6046809dd704aa004ca4de46d210501042d43c

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
Signatureuyo8ndteONbM+6vFJIKKqgfQN55kBRTPgOfz2qJp+/jYQ8Y5A/vUMUOG/oSTAFnnSWNtcLnZ7EMdQ2ly/Xw2DA==
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

2026-09-17T10:37:48.169909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063685
observed 414f451fd2e83031f378923240ff86e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:48.153600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063685/manifest.json
observed fb7505e2f10bc5b3ddd2111feb604680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:48.137159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063685/publication.md
observed b3271b8cc16d1e61272e3525eec2a71e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:48.119246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063685/publication.txt
observed c158bb7d16f36d03b5772085b01a89b8...
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.