OpenTechnical

OT-2026-000089320

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000089320) never changes.

Identity and time

Publication numberOT-2026-000089320 · never reused
Internal UUID01a0ae9b-db01-7d0e-993c-4d65417ddbf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089320
StatusPUBLIC

Content hashes

Canonical text20cb06c50c2715c49c4a0fa2d265a603b6caed44b55944403af9abb47d0bc0e6
Markdownca0fbf691e2674afe654da39bf46cb90f6ce8c6167a53c3075ed395a3145c578
PDF
Publication page41e5b8182c8361935dcda941ac947fbde5d715dc09a287e8fe5e5644ee06c2a8
Manifest28d4f0de0ab0d537f0fe954560b26a8f43077a1d421ef9487be264b7bb852d19

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
SignatureSkXPOpPozefFbmrvB0RXAH/ILNt1RO3yDDk5wgIWYEostCr7wZITFzysvVnHe+QHIs13mh69SaIPifnrXKrhCQ==
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

2026-09-17T09:47:22.300436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089320
observed 41e5b8182c8361935dcda941ac947fbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.284406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089320/manifest.json
observed 28d4f0de0ab0d537f0fe954560b26a8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.267413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089320/publication.md
observed ca0fbf691e2674afe654da39bf46cb90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.250504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089320/publication.txt
observed 20cb06c50c2715c49c4a0fa2d265a603...
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.