OpenTechnical

OT-2026-000036155

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000036155) never changes.

Identity and time

Publication numberOT-2026-000036155 · never reused
Internal UUID01a0ae77-01ce-7e86-875b-825f2ce10a6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036155
StatusPUBLIC

Content hashes

Canonical text74c9dedfe1710da6b0144a6e63f5919c0a917c1db350d98664d73bf761e6a5f3
Markdown9e24e9299ae3d25582f11ed8761bb4c843b70e3756d8e3aec591b49bf0cb7b91
PDF
Publication page11f91db77944ed678b561d18b2ff170cf3db1b713683d9671267c0ba77705132
Manifest023264221c52e3f17235730fceb9d961bfa04b5402ef786af3ab9d233a322ba9

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
SignatureFslAwxuAvxFfsM1IzdWxhbjw8KISqs/o9LmwbFR4l/AOYUEFT+yRuX0YYUJj0sK1pUncaBJqIseeRMdnIOsFDg==
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

2026-09-17T11:26:22.623923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036155
observed 11f91db77944ed678b561d18b2ff170c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:22.603116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036155/manifest.json
observed 023264221c52e3f17235730fceb9d961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:22.582383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036155/publication.md
observed 9e24e9299ae3d25582f11ed8761bb4c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:22.562016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036155/publication.txt
observed 74c9dedfe1710da6b0144a6e63f5919c...
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.