OpenTechnical

OT-2026-000015863

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two 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-2026-000015863) never changes.

Identity and time

Publication numberOT-2026-000015863 · never reused
Internal UUID01a0ae6e-0c4c-72b5-adeb-227f5aa218d6 · 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-2026-000015863
StatusPUBLIC

Content hashes

Canonical textb62b3c7c57bc80c4c37cf0e11e978e4e1559d31260de09d90fdf3bc6d96a33f7
Markdown004c0e92330f2c63308975112f40c2efeb9a4ebbd258b9f755394f6fa16c9d7d
PDF
Publication page56fe1f48bf9ffbeeb3b42b913dc4f8c92e458ff1cf88898820438b5bb3c67aa6
Manifeste0c3f4c590dc9a10a8ebc4abdb495686a0d75f659ec26a30f70dd61d1cdf3487

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
Signaturej78zrbE/XZrSm8O5RYDn1L54RysEezq9+xuAa7ZCTsofrqr07uQDzIWkMoLKhfQ8pF9KG0wLspBnm0vx7+kfCA==
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

2026-09-17T12:05:18.391554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015863
observed 56fe1f48bf9ffbeeb3b42b913dc4f8c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:18.371038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015863/manifest.json
observed e0c3f4c590dc9a10a8ebc4abdb495686...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:18.352870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015863/publication.md
observed 004c0e92330f2c63308975112f40c2ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:18.333626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015863/publication.txt
observed b62b3c7c57bc80c4c37cf0e11e978e4e...
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.