OpenTechnical

OT-2026-000072424

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line 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-2026-000072424) never changes.

Identity and time

Publication numberOT-2026-000072424 · never reused
Internal UUID01a0ae92-89d7-7415-a8de-c353e8d69b89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072424
StatusPUBLIC

Content hashes

Canonical text564630610f7a0527a3c392bb3d4a89dafe60a4923d487044ddefe8dc4bb65690
Markdown3cae6c45f14b93545352ea108a44236eb397a31809d416dc943f4ec094f50af8
PDF
Publication pageddb9f69ff33e0bb49729eed00b7d02491b02f4974502f20149ce430fa145a98a
Manifest9854779ac725b3565268da372b5f8c97e4e16bbefaeed4fb2c86ecb038899629

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
SignatureN+0+5oyFg7RNtyh8+Ncj46kB/x+wO/vRUIQN7NAMwpfAIIPOHU/CeeC/YnkwM2zxrp5kDtZaJCHeMeStjCRABQ==
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

2026-09-17T10:22:12.807384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072424
observed ddb9f69ff33e0bb49729eed00b7d0249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.788315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072424/manifest.json
observed 9854779ac725b3565268da372b5f8c97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.733308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072424/publication.md
observed 3cae6c45f14b93545352ea108a44236e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.678656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072424/publication.txt
observed 564630610f7a0527a3c392bb3d4a89da...
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.