OpenTechnical

OT-2026-000018650

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000018650) never changes.

Identity and time

Publication numberOT-2026-000018650 · never reused
Internal UUID01a0ae6e-d520-7d1a-8cdb-68004aae22f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018650
StatusPUBLIC

Content hashes

Canonical text5d0ba94b4e7e37ecf9acd312950a9b922bd6526c18f4f167e11a15ba6fa4b46a
Markdown41421e9701501c4a826f0e3ca310517658495b856a3585ed7b6b220e66867acb
PDF
Publication page946bdeb94643c5afe2fd3435ff0c98002e9252bea25ad3c81100c40f88dd76c6
Manifest264553b1c2ab8a8db71e91e4d1166b85309a560ad217c53e42304889cc8394e3

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
SignatureCSWPV7ZpSDiT9ePYSkVXuqrpzqk2+rGSZ38muYWfWzilh2hRjvDHjDO8dGw5g0x8raMbnmtC5gB5nRNKwRoaAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:59:09.068651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018650
observed 946bdeb94643c5afe2fd3435ff0c9800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:09.051823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018650/manifest.json
observed 264553b1c2ab8a8db71e91e4d1166b85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:09.035878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018650/publication.md
observed 41421e9701501c4a826f0e3ca3105176...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:09.018956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018650/publication.txt
observed 5d0ba94b4e7e37ecf9acd312950a9b92...
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.