OpenTechnical

OT-2026-000075256

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000075256) never changes.

Identity and time

Publication numberOT-2026-000075256 · never reused
Internal UUID01a0ae93-f200-7c6a-ac20-1abd03dd3964 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075256
StatusPUBLIC

Content hashes

Canonical textd614c5dea1802ec35a5193f1f9f6b687d0c4fe91bec4b77a6f28c552ad05522b
Markdown2df1529b503a551bf55a261a927cf9b8f19e2933d6d7474ec6bbb9a3f6e1fea2
PDF
Publication page283642889ef619f906405f6cbda65ceca17128c39221a1d7f2db4ef312531084
Manifestf33b25f2bdb3536232da98f9af22c5f07e3e33b6c4f8da84103329b847e9666d

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
SignaturehPVY/mE3WYUkrwCxZFYZAw8EnzOjAbKSpa6Ujm/Ns3L6eY0PE1XH2lXxflLnzz8R7YLC00ofRbJvUYEGJBVMAw==
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

2026-09-17T10:20:33.163111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075256
observed 283642889ef619f906405f6cbda65cec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:33.145019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075256/manifest.json
observed f33b25f2bdb3536232da98f9af22c5f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:33.126556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075256/publication.md
observed 2df1529b503a551bf55a261a927cf9b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:33.106941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075256/publication.txt
observed d614c5dea1802ec35a5193f1f9f6b687...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:53.556782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075256
observed 283642889ef619f906405f6cbda65cec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:53.537620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075256/manifest.json
observed f33b25f2bdb3536232da98f9af22c5f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:53.516689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075256/publication.md
observed 2df1529b503a551bf55a261a927cf9b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:53.496779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075256/publication.txt
observed d614c5dea1802ec35a5193f1f9f6b687...
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.