OpenTechnical

OT-2026-000015274

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two 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-2026-000015274) never changes.

Identity and time

Publication numberOT-2026-000015274 · never reused
Internal UUID01a0ae6d-ef48-7c4c-a4e8-5f00be715674 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015274
StatusPUBLIC

Content hashes

Canonical textbf184da9f324bc13b04af26c97b057db3451183741f3671cc64e2592c2575f4b
Markdown512104f42cefea2101bba579b2e4e98600ce86ac3391f7066d0f3a4de82fc9e0
PDF
Publication page57126ed468a5ed2108417d8456f8e982f76bfecd3b70fdf2dbbc7453e5081325
Manifeste7c4f6f61b2f3043d0eb3c9ff284629605b4fe281b6e6f2d0c1017a869ba4fcc

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
SignatureCOqs/wz1go8T4VIp/Di47nFbyxGiT61hPQc3Hf7mOg+Io973hJSuDpECag7SBwBtswW7BKwqe4tS0g/0THXJBA==
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

2026-09-17T12:05:57.221933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015274
observed 57126ed468a5ed2108417d8456f8e982...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:57.204463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015274/manifest.json
observed e7c4f6f61b2f3043d0eb3c9ff2846296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:57.185238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015274/publication.md
observed 512104f42cefea2101bba579b2e4e986...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:57.164912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015274/publication.txt
observed bf184da9f324bc13b04af26c97b057db...
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.