OpenTechnical

OT-2026-000081359

Publication integrity record

Foam pad vacuum gripper, two zone face, two 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-2026-000081359) never changes.

Identity and time

Publication numberOT-2026-000081359 · never reused
Internal UUID01a0ae96-f375-794c-b52d-b479b1852924 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081359
StatusPUBLIC

Content hashes

Canonical textbd32322cb0e2015d6e24b3b813db45d251fff4c0e8694a63d13cc6125331ae64
Markdown0cb2c6d8fadaac22e613185089300aef9a2e5783f488d3cf535cb3f3e282ea69
PDF
Publication pagec026046d3623898c192e895ae6b3b0e178a22290b84e0871f3bf557a1109ab34
Manifestabfa1968a1db319dfa2db07d8120d142c0a84bf2fb4e261b30a6dbbb57e380eb

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
SignatureQe0t1wpRXO8dEo5KSwZ/dDtUDgZWwrF9Byh1jeujoe1z4kl7vLrSXOJ00ydPp03Ro3v8DfJtv+qJZXnFOaFPAw==
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

2026-09-17T10:01:29.443202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081359
observed c026046d3623898c192e895ae6b3b0e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:29.423824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081359/manifest.json
observed abfa1968a1db319dfa2db07d8120d142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:29.406769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081359/publication.md
observed 0cb2c6d8fadaac22e613185089300aef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:29.387929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081359/publication.txt
observed bd32322cb0e2015d6e24b3b813db45d2...
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.