OpenTechnical

OT-2026-000003736

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, three outlet manifold, pump fed

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-2026-000003736) never changes.

Identity and time

Publication numberOT-2026-000003736 · never reused
Internal UUID01a0a90a-e75b-7cee-bfd5-3d37b6b742d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:39.229732Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003736
StatusPUBLIC

Content hashes

Canonical texte44210b7ac5feb0f4694eac1fef48509d8e6a74e9c850e0df65ebba6c980f034
Markdowned8d3088ca25d4c2ff5250e7001644f001b64d43f4c0b3269d09c8f425e1fc26
PDF
Publication pagedf4a2f47ccdfd9bd3e40c21f67c5bf9599937fb8113725cd3be7320d35526096
Manifestb22826303804578871286aa97fba65a0f90084f98e370af37e6e6506f82909fc

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
Signature3UBxBsZ6X2u4S5s0okxjlT6U8D7bzuvG5Gu/b///IHaWPopM2LVatosi4EdCXthTfmt+IZI0+zVzbDPC5Zv1Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:50:33.659545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003736
observed df4a2f47ccdfd9bd3e40c21f67c5bf95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:33.644816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003736/manifest.json
observed b22826303804578871286aa97fba65a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:33.629938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003736/publication.md
observed ed8d3088ca25d4c2ff5250e7001644f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:33.494212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003736/publication.txt
observed e44210b7ac5feb0f4694eac1fef48509...
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.