OpenTechnical

OT-2026-000079275

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000079275) never changes.

Identity and time

Publication numberOT-2026-000079275 · never reused
Internal UUID01a0ae96-0b90-7da4-8489-22a5b76252ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079275
StatusPUBLIC

Content hashes

Canonical textd224d3dc8f172341555e9996ac065f96dd2c897c291328144bbc8701e0230290
Markdownfc0cf6507f97b1ba145c2e43f84a67a460cb2f911aa5bf9629f14dee5d7f18a1
PDF
Publication page84a662426c7a091d16f7214013afb2d7560ef9278a14c46311c3dd1dd5423b40
Manifestc6094cba5e00236ac905b3ca9c13a8def0f7bc1273f197bff2d5dcb794e3e4b7

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
SignatureGBAfB3KSXamQy9eu+JVGoociQAHipNbSmwCNWyFrP1pENGyuZ+nBVGp8naDvIhtN25LyqV2hDWv6HeM7Qn7HCQ==
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

2026-09-17T10:04:52.772722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079275
observed 84a662426c7a091d16f7214013afb2d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:52.754470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079275/manifest.json
observed c6094cba5e00236ac905b3ca9c13a8de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:52.736375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079275/publication.md
observed fc0cf6507f97b1ba145c2e43f84a67a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:52.715534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079275/publication.txt
observed d224d3dc8f172341555e9996ac065f96...
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.