OpenTechnical

OT-2026-000073669

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum 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-2026-000073669) never changes.

Identity and time

Publication numberOT-2026-000073669 · never reused
Internal UUID01a0ae93-2b8c-73e5-a0ea-8bb59931671d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073669
StatusPUBLIC

Content hashes

Canonical textfdf4ac9db0e48b3faf5ed65bea06093b32f6dd0d2332050e331592a0e91889d4
Markdownd22adbf5b0131416de9da48131c085bc3e02d4c9ed0a847600ec0e4b84eb19fd
PDF
Publication pagec0aab5dcbf9f386a27b1bac054447b68172e63192eb0e5507abf6ddb057bce7c
Manifest14e9e82fec2a0720e3f2c4c0a0f4ed2c60907d9491ffa733ce0d7cd8f36f3930

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
Signature1/eZAFHJfWJ9RKyuUto/zYkUpCGaCysAIO1KbfQlIdgh3ekqMQhKjJPsOpFPPBKFy6g93D5+tavKKF/DlAlZCQ==
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

2026-09-17T10:19:43.499316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073669
observed c0aab5dcbf9f386a27b1bac054447b68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:43.480191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073669/manifest.json
observed 14e9e82fec2a0720e3f2c4c0a0f4ed2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:43.460311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073669/publication.md
observed d22adbf5b0131416de9da48131c085bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:43.439798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073669/publication.txt
observed fdf4ac9db0e48b3faf5ed65bea06093b...
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.