OpenTechnical

OT-2026-000015020

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000015020) never changes.

Identity and time

Publication numberOT-2026-000015020 · never reused
Internal UUID01a0ae6d-d096-77db-b775-08e07de05797 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015020
StatusPUBLIC

Content hashes

Canonical text14deee1b80edf7735ff96296537056363e052dc9c020b2b4f1192dc9567847e4
Markdowna65f1b1ae11fede8ccd788f7771fddab3b5a7467480d058b1377dfd8655c6962
PDF
Publication page9b3af9db7c80d74f2eef8aa757649bb16fddfb612a4a51b109b872ee8374b717
Manifestb430cdc0c46f261bfb37eed49d0e51d69e2fa99efcd2d59da898d0cc66b332c7

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
SignatureM6aGwnrvzjnheMX0UKuQU9GoJ23xOle6TQt+xjQujJ7p3ZCMfbHQbEsoeKRkc3b8Ky9IS4rxSVkDgxSBivKNBQ==
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

2026-09-17T12:06:59.640574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015020
observed 9b3af9db7c80d74f2eef8aa757649bb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:59.619087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015020/manifest.json
observed b430cdc0c46f261bfb37eed49d0e51d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:59.599120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015020/publication.md
observed a65f1b1ae11fede8ccd788f7771fddab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:59.578381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015020/publication.txt
observed 14deee1b80edf7735ff9629653705636...
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.