OpenTechnical

OT-2026-000027573

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000027573) never changes.

Identity and time

Publication numberOT-2026-000027573 · never reused
Internal UUID01a0ae72-6999-72a3-b4c3-ec2a4d6a136e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027573
StatusPUBLIC

Content hashes

Canonical text6cb619eaef2f42aa8c423f4b1145fbde8dd7f274fef86ab9478a0f52951b148c
Markdownd1fe6cfa7d2dd3984c78ddb2be5fe658cad7886e8f719c590ed206a9023562a6
PDF
Publication pagef17e5d16f751a33b2e60a2abf19f34e0fbda6606903b478e6ee1e81737863e19
Manifestae0da37d5187829923c425e6fec82c76cb3482f8a3b6c9a90496c33815148b0d

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
SignatureYciJIhswxHlPcleCb/D2pK8CKT5Rd0kNehrpRD022g1xCVDFTuU1/mCfZg/1j33kQKj7dtaGHn0kX29To4QIAg==
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

2026-09-17T11:43:03.943080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027573
observed f17e5d16f751a33b2e60a2abf19f34e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:03.925209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027573/manifest.json
observed ae0da37d5187829923c425e6fec82c76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:03.908410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027573/publication.md
observed d1fe6cfa7d2dd3984c78ddb2be5fe658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:03.887529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027573/publication.txt
observed 6cb619eaef2f42aa8c423f4b1145fbde...
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.