OpenTechnical

OT-2026-000038983

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four 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-2026-000038983) never changes.

Identity and time

Publication numberOT-2026-000038983 · never reused
Internal UUID01a0ae78-76a0-78c0-bb30-488d694bf477 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038983
StatusPUBLIC

Content hashes

Canonical text14c0b4639397502eaab64b93b5f04bef3b9af092a8d6a2c013d3dfbcd45cdb88
Markdown027856003f8f425aa72eae187aae51a10c755eaf0497eeeb89b4e13712845f6c
PDF
Publication page0a1474ff79c97e09c0ba83bc6d06240e263dea2c83650f268b1254f5d10869e4
Manifestbf840dbf94d02772e971e78ba5b390c16d8192dd76f5cae74d6cf33945142b84

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
Signature9DbUFYlOWMdtpyrm6GxcDdbqEXYpkczJTAzoj/+s7URDcD7P3jPSN3l1M+tzb/RKChlpDq5tsLMy4A6yDb4vDA==
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

2026-09-17T11:22:16.013232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038983
observed 0a1474ff79c97e09c0ba83bc6d06240e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:15.996861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038983/manifest.json
observed bf840dbf94d02772e971e78ba5b390c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:15.980500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038983/publication.md
observed 027856003f8f425aa72eae187aae51a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:15.963258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038983/publication.txt
observed 14c0b4639397502eaab64b93b5f04bef...
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.