OpenTechnical

OT-2026-000032987

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000032987) never changes.

Identity and time

Publication numberOT-2026-000032987 · never reused
Internal UUID01a0ae75-4843-7cd8-a29a-fb829634ee50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032987
StatusPUBLIC

Content hashes

Canonical text7dce04f8028a6a46ea3b7275e64a68f1a666d81541ca7d61e6c3c6bf744cea3a
Markdown1b1b4934eb598d2c353e4166326bc9d85f0a198cbadd16a2e0ac5de53f59b140
PDF
Publication pageb8080713fec6b0e4cbb2049a1808379c91e25f7a090608562703b4bac7b750ac
Manifest279594f375618248f9827569acebbb949ca1968f2854fbc528a99857f00b7f9b

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
Signature+Y5FWzMwECW9dVikD7Eka8+N7Ra0EqIs4qqgWRvSzvIAqzu4Ckw287WKnk1DFc17uOivOTigOLvWCQA+tVG0DQ==
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

2026-09-17T11:32:36.087208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032987
observed b8080713fec6b0e4cbb2049a1808379c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:36.066448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032987/manifest.json
observed 279594f375618248f9827569acebbb94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:36.047192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032987/publication.md
observed 1b1b4934eb598d2c353e4166326bc9d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:36.027501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032987/publication.txt
observed 7dce04f8028a6a46ea3b7275e64a68f1...
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.