OpenTechnical

OT-2026-000014154

Publication integrity record

Foam pad vacuum gripper, common isolation valve, 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-2026-000014154) never changes.

Identity and time

Publication numberOT-2026-000014154 · never reused
Internal UUID01a0ae6d-b278-7805-b180-481500cf834c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014154
StatusPUBLIC

Content hashes

Canonical text7e797912a2fea925c881dc2d3ebaba44849ff48b97cb3fad5bc7ec192e6b0e3b
Markdowne7b23a2331a70d7fd2b541bb15fe3b30efede1db9e41dfc7f168869ad4cb3fcb
PDF
Publication page22576965a6245565ae7111b7d0e85e7efaeea0b8d3c7b4dd6d84d0c0b4344d9c
Manifesta336d0320208992f2cce45e0b139e20d1dc41bac62d200f578cd185063ac4d49

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
SignatureSnCCozcrmvTk5dV24Mq7+2qRjn1v33NhjB7UirN2L14ucnz3ZUgQP9a5TxuLqwSaCl/WP3cqhEFPTnZ6LtOZBg==
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

2026-09-17T12:07:14.191975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014154
observed 22576965a6245565ae7111b7d0e85e7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:14.169609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014154/manifest.json
observed a336d0320208992f2cce45e0b139e20d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:14.150141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014154/publication.md
observed e7b23a2331a70d7fd2b541bb15fe3b30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:14.130625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014154/publication.txt
observed 7e797912a2fea925c881dc2d3ebaba44...
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.