OpenTechnical

OT-2026-000032454

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000032454) never changes.

Identity and time

Publication numberOT-2026-000032454 · never reused
Internal UUID01a0ae75-106e-7d41-b126-ece6f33a48a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032454
StatusPUBLIC

Content hashes

Canonical textfc71d363f00f876cf802c9f0c9d60e9554c1840b94e7b0b21fbe9b6e26b2ca4f
Markdownb82e8c7e6c47f63c815f6e5a7ea9112faba6b7304a55fbd78cb08b6fe84f1684
PDF
Publication page01632a1cbb9801962d90b6256e095564486b10627a7a518cea477b90641bd407
Manifestc72beeb443be79a404cd5fe2b8699c317986bebfd61db105b08d420cddf20642

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
SignaturepJfHKwapufWAfmBBOJW9u94N5pbQq0+F27AGzW9LyHVa++W/ETZBgemHrILS/8rkO/3S1NUSIij0F2G4Gj69Dw==
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

2026-09-17T11:33:52.914074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032454
observed 01632a1cbb9801962d90b6256e095564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:52.896830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032454/manifest.json
observed c72beeb443be79a404cd5fe2b8699c31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:52.881373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032454/publication.md
observed b82e8c7e6c47f63c815f6e5a7ea9112f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:52.864019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032454/publication.txt
observed fc71d363f00f876cf802c9f0c9d60e95...
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.