OpenTechnical

OT-2026-000093877

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000093877) never changes.

Identity and time

Publication numberOT-2026-000093877 · never reused
Internal UUID01a0ae9e-92c7-7e41-98f6-dfd9438f2071 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093877
StatusPUBLIC

Content hashes

Canonical textd21150f7d20e691a28a0b078754ff03a15afca1236bbfcbacd1d1d8fead12bb9
Markdown495d6f14f5bf8473e29b045b7cfe642c1ad3bbd16b917c4bf1821485a8950f21
PDF
Publication pageb1043d7c2aacfaaec911da1b95399499163e3160867e28bf7dd20dfb9b1cf4bf
Manifestbc87df47ff6eda9669a11d68941eeadc8543b1597a4666408729a8a1b3eab54c

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
Signature1JiMJOb9uPDJ/UFKFFGnriO/YmfnEP9cL4mHVj57AY+CPn7oBOdUD0S4s8IUx86dJSZ9ajo/EG8UpgP8rFkoBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:38:08.229723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093877
observed b1043d7c2aacfaaec911da1b95399499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:08.212097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093877/manifest.json
observed bc87df47ff6eda9669a11d68941eeadc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:08.193642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093877/publication.md
observed 495d6f14f5bf8473e29b045b7cfe642c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:08.174222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093877/publication.txt
observed d21150f7d20e691a28a0b078754ff03a...
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.