OpenTechnical

OT-2026-000070981

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, supply line 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-2026-000070981) never changes.

Identity and time

Publication numberOT-2026-000070981 · never reused
Internal UUID01a0ae91-8c2e-72ee-8aa2-9cd017d4af85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070981
StatusPUBLIC

Content hashes

Canonical texta7d9fa14c24097fe49b1a14d2dc1453bc9543074b10b4957c92416f2bf4d0c57
Markdownbb66e53a0b94bd9082085e938b2468229a3aa9024b1a853441e2fed1bf0221b2
PDF
Publication page456c5a0a6787d7abba7e3469e1266d4f94c6a1643ba304a9a253fbbd919b0daa
Manifesta6d75f91d0883ca6714513a889036caab8fafa60ace52858f80b6972f8165c4b

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
SignatureTn1JZRhKJ6uUYF9C+RMK2HPIcwCI4smehXaJxEjh3SwdVvDdMG3vC7xZejUdSwYNXrlu5pUp98DS4VhUWcX0AA==
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

2026-09-17T10:25:49.407578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070981
observed 456c5a0a6787d7abba7e3469e1266d4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:49.390982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070981/manifest.json
observed a6d75f91d0883ca6714513a889036caa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:49.373627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070981/publication.md
observed bb66e53a0b94bd9082085e938b246822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:49.349557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070981/publication.txt
observed a7d9fa14c24097fe49b1a14d2dc1453b...
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.