OpenTechnical

OT-2026-000080620

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-2026-000080620) never changes.

Identity and time

Publication numberOT-2026-000080620 · never reused
Internal UUID01a0ae96-7e79-7941-8961-d63e72f83796 · 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-2026-000080620
StatusPUBLIC

Content hashes

Canonical textf5183a99ed6c1fcefc292221c52fea17229bea30b7707b9820d70d4a2318f7b2
Markdown589961749128e0958a4a486aa3001a3692bd6fc3d427b9373e41d72135bc0524
PDF
Publication page60d0e49048594a54e47a62c1b7bfbffd8b17c4a0070bc0926d2095d481fe9d11
Manifest47fee3b69c2c4faf9537a5e45d64824b56bc17108a89d0952bccb2f6988f4f40

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
SignatureVhCCUU6ickHojw/U6fK+1WWKuywneA6cBnq1Idk3bygzerL/1R/uvIKNX8mc/qSI8iNjWV6spjBgGrzN1NU0CA==
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

2026-09-17T10:03:15.830910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080620
observed 60d0e49048594a54e47a62c1b7bfbffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:15.804211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080620/manifest.json
observed 47fee3b69c2c4faf9537a5e45d64824b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:15.779698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080620/publication.md
observed 589961749128e0958a4a486aa3001a36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:15.753378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080620/publication.txt
observed f5183a99ed6c1fcefc292221c52fea17...
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.