OpenTechnical

OT-2026-000079842

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line 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-2026-000079842) never changes.

Identity and time

Publication numberOT-2026-000079842 · never reused
Internal UUID01a0ae96-4376-745a-bf63-0282e0a9edae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079842
StatusPUBLIC

Content hashes

Canonical textb7d87035a6947b753d675b197b682b8cc5e7c6392209418c2749b50082cd5b3c
Markdowna280332085d60e96b11785c93cf43859e4bf4d3b60a460e42f2234c7c7b29c43
PDF
Publication page5f9f7618002a0af892c6849edd2410370ebcdde307fa0a67cce7e8820a5321ad
Manifestb0a25fcb12592dc101f043167b1a1335114f90a28ec37ea2b14b4765fd0d6ce1

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
SignatureAJxFf0Jikb3jehycSh7KyACyntIZ0Hdcf5GHZ1AmVcZrdCfuh5dlvZu4i2nMKqz32Du9iPd+Cv2S4eXqFzzRDw==
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

2026-09-17T10:03:43.678999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079842
observed 5f9f7618002a0af892c6849edd241037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:43.661715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079842/manifest.json
observed b0a25fcb12592dc101f043167b1a1335...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:43.644160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079842/publication.md
observed a280332085d60e96b11785c93cf43859...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:43.624167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079842/publication.txt
observed b7d87035a6947b753d675b197b682b8c...
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.