OpenTechnical

OT-2026-000020994

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, manifold 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-2026-000020994) never changes.

Identity and time

Publication numberOT-2026-000020994 · never reused
Internal UUID01a0ae6f-65e4-7ba3-9d60-c4d64469fb31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020994
StatusPUBLIC

Content hashes

Canonical text7f67343862123d768e1d4ff44d6751d562a84d7ae50e2da239a655584132c202
Markdown128e7aff4d319196bc8268d7c150602962a6b95cc0fad04adcc72938ba2de725
PDF
Publication page69f670f3959e51d8caf9ba80f8451d891896d81e2f5c378bea44bdd000c33cac
Manifestcaab62e87caf66dbc2694ba075e847c6ef024a444e477d4b27ffb16fe38387f4

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
Signatureucy4/tle++lex5lTEAnDWWBa8jJYwse6Xh713RFhldiZJfXGc9GW3AQ35ve/T5xIElQVqISuofYLZQA6+SN8Bw==
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

2026-09-17T11:56:08.881923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020994
observed 69f670f3959e51d8caf9ba80f8451d89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:08.863968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020994/manifest.json
observed caab62e87caf66dbc2694ba075e847c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:08.845318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020994/publication.md
observed 128e7aff4d319196bc8268d7c1506029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:08.826394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020994/publication.txt
observed 7f67343862123d768e1d4ff44d6751d5...
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.