OpenTechnical

OT-2026-000101890

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pulsed blow-off 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-2026-000101890) never changes.

Identity and time

Publication numberOT-2026-000101890 · never reused
Internal UUID01a0aea4-50f0-765b-b24c-e05df5c78d77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101890
StatusPUBLIC

Content hashes

Canonical texta513bfb13603b0b68bfb2e1ae94c62abe2eb60e00346e30250d3f841809307cb
Markdown2d1b64d2868b6c61337b2b947b9345fbf67309098bac8ecb899bb70e1d95a9de
PDF
Publication page7c4b54a754e09a1b366e7dbc5f892e6fdb6fd14f0a19b5eea05d27e688002542
Manifest6b7e47486d73e9878d78c3e51b93d1969b5e09667be593f7941d0c3c976dfcd7

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
Signature7QX1vPUJXssjP7hEaXDPsSSrJBMp7Sbbw15/Q9HVLPdjSOPsDiA+s438UjjxZYAmeVCLBewHcjSftfWo7SipDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:29.861936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101890
observed 7c4b54a754e09a1b366e7dbc5f892e6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:29.844401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101890/manifest.json
observed 6b7e47486d73e9878d78c3e51b93d196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:29.826452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101890/publication.md
observed 2d1b64d2868b6c61337b2b947b9345fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:29.806519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101890/publication.txt
observed a513bfb13603b0b68bfb2e1ae94c62ab...
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.