OpenTechnical

OT-2026-000030022

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000030022) never changes.

Identity and time

Publication numberOT-2026-000030022 · never reused
Internal UUID01a0ae73-ac49-7ac5-9473-99960637d824 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030022
StatusPUBLIC

Content hashes

Canonical text5181ba2404680eae098b2481c66a80476cb9677f590a4f83ca60fba1be168ca0
Markdown1d73797feb436d1b2fa55cb0c85f96ee1cf8f213695e68fd495c00ddd24d0e39
PDF
Publication page698ba466eb7315499a3581d63dea27b251576a203c7aaa0efd23c2e5e2402f61
Manifestbe8f9f29185364652a208f9e9f1145aec9bae8f1c6a734113bc9a322fca8e2a0

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
SignatureMbcxLN26LwHlCCblFqCxxiDs2C+7HvmqvAxf6BNEQYwah7+eN1dQhOWIvl96ahgAtaDRuZhKySZ6pHJUWMqzAQ==
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

2026-09-17T11:38:45.411507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030022
observed 698ba466eb7315499a3581d63dea27b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:45.389080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030022/manifest.json
observed be8f9f29185364652a208f9e9f1145ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:45.370478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030022/publication.md
observed 1d73797feb436d1b2fa55cb0c85f96ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:45.352025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030022/publication.txt
observed 5181ba2404680eae098b2481c66a8047...
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.