OpenTechnical

OT-2026-000045295

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, pressure sensor per zone, pulsed blow-off 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-2026-000045295) never changes.

Identity and time

Publication numberOT-2026-000045295 · never reused
Internal UUID01a0ae7c-f76b-71ba-b82a-77a6388b5193 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045295
StatusPUBLIC

Content hashes

Canonical textdf6e0dd311268cc86293f99ae1646329e3ca6ccb173a12dae018a9ea9bd59664
Markdown2ba20fb0801a9433c97ada91bc4e5c5b490a19ef5ac0b842e4a5acb542e6b00c
PDF
Publication pagedec7df8ed7e9f9f98e7e668be4b3ab5dc6926680f1ebb0b21163ee95477a9fb2
Manifest75186c82a8894fcccebb579b504e5de46b5b82594f98ae6ccdd055c05c228a82

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
Signaturelexgp/r3ZpYnqN9vdG+TK1TKNCuDFZzS5kI4l9coUGKzFQCRFvlCgn+INIXs48z1eSDRY4juBd/rxhCFJeRWBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:30.906724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045295
observed dec7df8ed7e9f9f98e7e668be4b3ab5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:30.888298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045295/manifest.json
observed 75186c82a8894fcccebb579b504e5de4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:30.868435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045295/publication.md
observed 2ba20fb0801a9433c97ada91bc4e5c5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:30.848753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045295/publication.txt
observed df6e0dd311268cc86293f99ae1646329...
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.