OpenTechnical

OT-2026-000019626

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000019626) never changes.

Identity and time

Publication numberOT-2026-000019626 · never reused
Internal UUID01a0ae6f-1fb3-76e1-a65b-fdbaeaa89bf3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019626
StatusPUBLIC

Content hashes

Canonical text24bc382f7a389df8592598ac7cd7d1e8439854f0eaa803307b2a1e9fbaf85a88
Markdown9beaabbd9416bc236a0b99837eb9e52257a5e1e5426a8763344b94d366528cf6
PDF
Publication page9b2cfb1efaa12621d6c058aaa5ec7c8de23adf11d2049f823753b60c61ef8435
Manifestcb093cf77a1d4c4132ab5e9904dbb2456ec67515c0dd0448b88b5daa13f4c91a

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
SignatureBa48QhW92EqUm+P0uxPKrpsTgwDb5nCnm1SvLEud1USjHh0hR7HE37ikr8e3awUALb2oyGgPuGPmGEQ7+DR5Bw==
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

2026-09-17T11:57:40.866278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019626
observed 9b2cfb1efaa12621d6c058aaa5ec7c8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:40.846340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019626/manifest.json
observed cb093cf77a1d4c4132ab5e9904dbb245...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:40.827806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019626/publication.md
observed 9beaabbd9416bc236a0b99837eb9e522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:40.805365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019626/publication.txt
observed 24bc382f7a389df8592598ac7cd7d1e8...
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.