OpenTechnical

OT-2026-000083764

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000083764) never changes.

Identity and time

Publication numberOT-2026-000083764 · never reused
Internal UUID01a0ae98-0417-794c-ac47-2faacdea575e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083764
StatusPUBLIC

Content hashes

Canonical texte1c31e6e863a72dc7b0ace1190a7c5bd97afdd3125756edc03b3b546744ba9c5
Markdownb1d704aaff4d4de91f3b42a0b53995933fd4bc65f53f6412709693358df57e80
PDF
Publication page66b5feca1014cdba20ef8b6bba2009eab67ddc2c362a6170ad94f2019e278f72
Manifestd76a5b7736b1c0b04aa9eef68a88027b43033c925bd90e52f5ddd8eb6b764ea8

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
SignatureVqqvR0FfG0iswQl/y9mHJUMO6/TcRMMudEes+HeRIP03XzFol/GwJpEmXWRQQ0vfGksDU5UGVD3Hk2jqhxnnDg==
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

2026-09-17T09:57:24.281910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083764
observed 66b5feca1014cdba20ef8b6bba2009ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:24.263128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083764/manifest.json
observed d76a5b7736b1c0b04aa9eef68a88027b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:24.245828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083764/publication.md
observed b1d704aaff4d4de91f3b42a0b5399593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:24.224012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083764/publication.txt
observed e1c31e6e863a72dc7b0ace1190a7c5bd...
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.