OpenTechnical

OT-2026-000036714

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000036714) never changes.

Identity and time

Publication numberOT-2026-000036714 · never reused
Internal UUID01a0ae77-46e8-7d02-9286-ae227f90bb67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036714
StatusPUBLIC

Content hashes

Canonical text4d6f87dbf0edd7a73a0d1d6ac292f4c63b8ed65eabef9455c5d1e158acda51e3
Markdown21623a34dd8f76646b9b1073b7e2c511e2d2d9ce5df355b20bba41df4bfe578d
PDF
Publication pagea32005ca9d30639c323c07112d4890d1b7bd27ae72520e12d14d39b9ef8942e7
Manifestf41923bdff4ef215d01793ca7b8021053703ec7cfa22e623d33454326e7f1348

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
SignatureHmwd7vYnIs4vgftAORb050eAwWaHhwcibafhJbXm6TmSxquH8WEhUwZZha7dIRnA8V1RMvDseuupieRYTq+DAQ==
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

2026-09-17T11:26:04.581875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036714
observed a32005ca9d30639c323c07112d4890d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:04.566999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036714/manifest.json
observed f41923bdff4ef215d01793ca7b802105...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:04.550882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036714/publication.md
observed 21623a34dd8f76646b9b1073b7e2c511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:04.533039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036714/publication.txt
observed 4d6f87dbf0edd7a73a0d1d6ac292f4c6...
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.