OpenTechnical

OT-2026-000019327

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000019327) never changes.

Identity and time

Publication numberOT-2026-000019327 · never reused
Internal UUID01a0ae6e-f392-789d-be33-0acf3538b3f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019327
StatusPUBLIC

Content hashes

Canonical textb16e166f798610938d75c49ca6a7ba43d69acc64b50ab7f40a27f3fd7d100b36
Markdown327ada5a1f4a0a4b35ea3499668e005d5a79143bbe763a92663940287db1f4a8
PDF
Publication page6b940f9fe9ef98d2db8a7444e5e669dd20674668383fcdaf40c3c06b0a6865ee
Manifest55b12c185360affbadae7020c7057d3162f11ba78d07e8441ed4b5d0c7c03cf3

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
SignatureWFsebz/SPl/HrjOiU5jsKHAQcl1oBJjh06nMj85pV3Jvf8xltb2AWTOktJYuNxccTdmISYcUZmkdEzJeLRlLAQ==
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

2026-09-17T11:58:41.637848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019327
observed 6b940f9fe9ef98d2db8a7444e5e669dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:41.616107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019327/manifest.json
observed 55b12c185360affbadae7020c7057d31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:41.597665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019327/publication.md
observed 327ada5a1f4a0a4b35ea3499668e005d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:41.579079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019327/publication.txt
observed b16e166f798610938d75c49ca6a7ba43...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent