OpenTechnical

OT-2026-000080544

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000080544) never changes.

Identity and time

Publication numberOT-2026-000080544 · never reused
Internal UUID01a0ae96-7e79-720a-83ef-1fa237f09fac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080544
StatusPUBLIC

Content hashes

Canonical text10ea3bbcad72c2ac2d02fd2690c3bef618545b729bc0be7bf865bd07132ca9f3
Markdownbadc28f30a69dfbb5d3e82011e3d51366b0638eaba009888f310750aba434e2f
PDF
Publication pagedb7b100e23fd1a696c38eb7de86796b7a6fa645aad160db021aab650504e9b96
Manifestb797cac05010e7d82338a3d00537ecc8a435527f8231484c97d7f4f4a31d59ff

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
SignatureGrbC6qPVvm18CRJDamgbmYYsJomUVJ1MLn0EdnRxZtHqoEcVtYxH4oX3i0GUARFwKwbcaFUX7mreyOdYgfS/AA==
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

2026-09-17T10:03:10.106654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080544
observed db7b100e23fd1a696c38eb7de86796b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:10.086711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080544/manifest.json
observed b797cac05010e7d82338a3d00537ecc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:10.064974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080544/publication.md
observed badc28f30a69dfbb5d3e82011e3d5136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:10.046241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080544/publication.txt
observed 10ea3bbcad72c2ac2d02fd2690c3bef6...
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.