OpenTechnical

OT-2026-000039730

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000039730) never changes.

Identity and time

Publication numberOT-2026-000039730 · never reused
Internal UUID01a0ae78-d8d5-7500-a855-9ea999b88e10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039730
StatusPUBLIC

Content hashes

Canonical text451bed6075f740e70028f23a72fc8207c331caf6159967edb639e1afa7d1d9c0
Markdown81315cd5904c900789933420b3fb64b17213e706861d04c042489a39a7780d6e
PDF
Publication page65349f5ea16cbc70b553d60290892467e33a176657d5d4dc9854e0fd9733288b
Manifest71b353956272613c988cc890bc04f8865cf0cb4fabf7d0e76af88da74f46b598

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
Signature5ZDNFpS1CDEZedB+H8QUToxzkohCZ5QBgJp3oqKlQFEUcLyM7eSpz19yQDrtNkq0MI4ujydLlbRHc96hvZjnCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:19:56.117175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039730
observed 65349f5ea16cbc70b553d60290892467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:56.099058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039730/manifest.json
observed 71b353956272613c988cc890bc04f886...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:56.080053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039730/publication.md
observed 81315cd5904c900789933420b3fb64b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:56.060716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039730/publication.txt
observed 451bed6075f740e70028f23a72fc8207...
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.