OpenTechnical

OT-2026-000080618

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000080618) never changes.

Identity and time

Publication numberOT-2026-000080618 · never reused
Internal UUID01a0ae96-7e79-7a7b-bd06-6941f88f81db · 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-2026-000080618
StatusPUBLIC

Content hashes

Canonical text8d4cec994aa2bcc7d7e70b614d96cfb25920c95c5250d758ba1a7b23d716aa02
Markdown699ef43d3864b3e511cbe09c0edfb48eee651f026c21b401c728564c73f42e34
PDF
Publication page5dad7b84252b19b2c2b30e518d87f4fd7e44db87ecf618deca02d58e34120c18
Manifest7d3eb5bdc6b7decafcbc476e97252e7916dabdc21f909f86b9ead4c5dd86ee5e

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
SignatureJwLGKMRKN6Dm2HS7tEyECeHiFmKbZlbSyiO81WleSdsDmKYQ0XG+M3mSR4UFfreZcGS4VdKwtLhWljg1I30dCA==
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

2026-09-17T10:03:15.595588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080618
observed 5dad7b84252b19b2c2b30e518d87f4fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:15.562611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080618/manifest.json
observed 7d3eb5bdc6b7decafcbc476e97252e79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:15.535568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080618/publication.md
observed 699ef43d3864b3e511cbe09c0edfb48e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:15.508202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080618/publication.txt
observed 8d4cec994aa2bcc7d7e70b614d96cfb2...
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.