OpenTechnical

OT-2026-000090576

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000090576) never changes.

Identity and time

Publication numberOT-2026-000090576 · never reused
Internal UUID01a0ae9c-7f2f-7b27-9646-8cd1eca26465 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090576
StatusPUBLIC

Content hashes

Canonical texta96152c75b1059688ab3b8b564213774e5621c019e5fa79d8c05b5af4f027b0a
Markdownede3f2a6540caa760fec323af59e685c717e76452acfded7f09e909d8bf10319
PDF
Publication pagec6787b52010ef77bded1af162c2c1f4ab5a6daf2712c722641ae52472d061dd3
Manifestc3537ce592226ec38a249e4abd23810554729f9f49b41d78ce907bcb801e8d5d

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
SignatureCQc6k5BIlMXwTG0m6C/oCKBBGLtEpOzvPYgOVR48k1HF+SqZA9iZ3TNGLzf6BL9l8PmN0P9pf3XbDdBS7WbUDw==
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

2026-09-17T09:44:45.272825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090576
observed c6787b52010ef77bded1af162c2c1f4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:45.253120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090576/manifest.json
observed c3537ce592226ec38a249e4abd238105...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:45.234640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090576/publication.md
observed ede3f2a6540caa760fec323af59e685c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:45.216893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090576/publication.txt
observed a96152c75b1059688ab3b8b564213774...
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.