OpenTechnical

OT-2026-000082804

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line 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-2026-000082804) never changes.

Identity and time

Publication numberOT-2026-000082804 · never reused
Internal UUID01a0ae97-8cc9-7273-a492-b432e753e2e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082804
StatusPUBLIC

Content hashes

Canonical textabf2bc5b973831b86137bc46b93255eca07bea3991f3f1716f41507247e17757
Markdowncdf4a5ad4fe1c2e27aac242a68ed6c9a09d5d71eec58ae17ea514bd20b4edc30
PDF
Publication page085558439511000a90950c706e472febc3ba324c4b27b841409366e8b0f277a2
Manifestb4d1878501602860dd71cc211a93818e327f828b61e7a44a51ed4c10598a5353

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
Signature6pqX1K/dQOj0hr4wCtWzX6e1B9T5hGUzQ0pCR5FRSXh1154yDWpGWChwbw0GWV7QnaDjsrmYfRXxCQIriGSzAQ==
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

2026-09-17T09:58:23.862925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082804
observed 085558439511000a90950c706e472feb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:23.846905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082804/manifest.json
observed b4d1878501602860dd71cc211a93818e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:23.829804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082804/publication.md
observed cdf4a5ad4fe1c2e27aac242a68ed6c9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:23.811957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082804/publication.txt
observed abf2bc5b973831b86137bc46b93255ec...
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.