OpenTechnical

OT-2026-000063931

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000063931) never changes.

Identity and time

Publication numberOT-2026-000063931 · never reused
Internal UUID01a0ae8d-53bb-70b6-9825-1591155fdea5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063931
StatusPUBLIC

Content hashes

Canonical text17e89b985be260e9cc3ef2faf80dad97b0b2b463e225fe947ff78b43e2c0b228
Markdown55e1cecb623e1277907f951cfc50ed2cee34c9c4f9eb816536cccaf1a58447c8
PDF
Publication page7daf9357ca072d9fb3f9581dd166fe08ffbd00babcf05397e5a81d8a28699009
Manifeste8e8454dd105542f04153b4058db3af35e0c0e49047e8c400e6ef4244de1d9a5

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
Signature5UP8U1QngIakHeq1V0xysOUwZpwH6rc25uZpZsg8Vqx0EN54yFTkG1F50B7xtaK0Dl2Kv7leAs9p1qx1lq7pDg==
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

2026-09-17T10:36:59.116967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063931
observed 7daf9357ca072d9fb3f9581dd166fe08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:59.098046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063931/manifest.json
observed e8e8454dd105542f04153b4058db3af3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:59.081610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063931/publication.md
observed 55e1cecb623e1277907f951cfc50ed2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:59.064721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063931/publication.txt
observed 17e89b985be260e9cc3ef2faf80dad97...
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.