OpenTechnical

OT-2026-000076870

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-2026-000076870) never changes.

Identity and time

Publication numberOT-2026-000076870 · never reused
Internal UUID01a0ae94-b070-7310-b4ea-222a2f483e95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076870
StatusPUBLIC

Content hashes

Canonical text5eb45fec07c1df245bad88f432a873c6a0819562d90cdc11aad448435bcae6f2
Markdowna3c4fb7d2fa82c17ba47a8d37cf2d780b2a966eae09bc72c9517d20b7d6634fd
PDF
Publication page50b7682ee412846b4d379902d04c9dc22118402a3cb2db16056ec48f092dc4ac
Manifestc2565a1a62888a1ac12597004b0bf9bd1c714abf61cd7b61caa08d223655b9e1

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
SignatureYvWLWwHm/+26oL1hMdzfkkhugSY5grMsO66J5tt55akTlh60xkalxm6Fdu+TkJZqccMz9E7G82FDTwTJ5iahAw==
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

2026-09-17T10:09:45.900915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076870
observed 50b7682ee412846b4d379902d04c9dc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.881509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076870/manifest.json
observed c2565a1a62888a1ac12597004b0bf9bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.861939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076870/publication.md
observed a3c4fb7d2fa82c17ba47a8d37cf2d780...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.843536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076870/publication.txt
observed 5eb45fec07c1df245bad88f432a873c6...
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.