OpenTechnical

OT-2026-000015923

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, 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-2026-000015923) never changes.

Identity and time

Publication numberOT-2026-000015923 · never reused
Internal UUID01a0ae6e-0c4d-71db-8dd8-b0e851f5ac87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015923
StatusPUBLIC

Content hashes

Canonical textd5ff79f3ef231ced146c595859b9a9d544506d9e1b184ffbb36cd4b4c63b31ce
Markdownc49b154b172cb6b9affce88aeca56a6c7a62995ffc876b65277c32f8ff1f49f6
PDF
Publication pagec26d3ae890a7a4f8763442d39759c3b86b5df81f10eab1b4a18c77a34271e008
Manifest6028837a15aade81cbbf1c193247b3fd81301db515bd906f1b2cc7e590a2b0fb

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
SignatureMel1QxaYVhTcuhVFSxpGcjWT7+5u920HU4DEyBN5XWn0a/O3ZvxueN75wrVXGaE/t4wZQkPiLu9OKicK4n0BDw==
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

2026-09-17T12:05:23.461203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015923
observed c26d3ae890a7a4f8763442d39759c3b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:23.443789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015923/manifest.json
observed 6028837a15aade81cbbf1c193247b3fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:23.425234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015923/publication.md
observed c49b154b172cb6b9affce88aeca56a6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:23.405288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015923/publication.txt
observed d5ff79f3ef231ced146c595859b9a9d5...
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.