OpenTechnical

OT-2026-000074860

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000074860) never changes.

Identity and time

Publication numberOT-2026-000074860 · never reused
Internal UUID01a0ae93-ac2c-72a2-aab4-b55310bf2dec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074860
StatusPUBLIC

Content hashes

Canonical text255a7c8cce3d9ae3908ff66f241dd9d8b19e832df6d5a1139a4c36a29397f68b
Markdownf3a433c3f084dc8aa92de920e605361fb2f9cfc3d97f7554db39dc771c6c7081
PDF
Publication page3bd46c61f1fe2f3e0e84df46d58f3bf6ffd8e97e099ec042e55257f9db97233f
Manifest0687340c52042231af5be1a0d8bbf3f5c855922a882773be2a2a2b448e9c85da

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
SignaturekdSZzs1od7LHtSmnuMH8IyKvp282pn7zcbFiGcKvvo2JIfkIK37fYtV6u1DrPy9/3D08QkxnqcBGpmqq1egLCQ==
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

2026-09-17T10:18:34.548828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074860
observed 3bd46c61f1fe2f3e0e84df46d58f3bf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:34.529051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074860/manifest.json
observed 0687340c52042231af5be1a0d8bbf3f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:34.507914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074860/publication.md
observed f3a433c3f084dc8aa92de920e605361f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:34.489637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074860/publication.txt
observed 255a7c8cce3d9ae3908ff66f241dd9d8...
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.