OpenTechnical

OT-2026-000025102

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000025102) never changes.

Identity and time

Publication numberOT-2026-000025102 · never reused
Internal UUID01a0ae71-2729-7b2d-83a6-1c0500a14576 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025102
StatusPUBLIC

Content hashes

Canonical text05686b63e03d0d841d330195111d27c58427feae0a17c4d693360bfc187e5fb6
Markdownd506c58b51023f5ae411897ab045398735cbab71b161800d162c5c7bab45f634
PDF
Publication pageb547c17466e397905fb5fdb4f6bcfca3af542ef01055dc3cb3cf5e8c74e080ab
Manifest37ccad5ad2b0f99898b2d2c525d1c8e7463be090b4bb4f7128c32b47b4461824

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
SignatureNZ6ToWfdH+41IegImn040ZWnCbCnNgN1K57sZcvEw0CTR9YduKLQ1THfWnqHWegm0pphz7Q3Gscrr9OJJ2TcDg==
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

2026-09-18T04:23:09.017125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025102
observed b547c17466e397905fb5fdb4f6bcfca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-18T04:23:09.001238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025102/manifest.json
observed 37ccad5ad2b0f99898b2d2c525d1c8e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-18T04:23:08.984541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025102/publication.md
observed d506c58b51023f5ae411897ab0453987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-18T04:23:08.966682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025102/publication.txt
observed 05686b63e03d0d841d330195111d27c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:31.443418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025102
observed b547c17466e397905fb5fdb4f6bcfca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:31.423867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025102/manifest.json
observed 37ccad5ad2b0f99898b2d2c525d1c8e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:31.406518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025102/publication.md
observed d506c58b51023f5ae411897ab0453987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:31.388974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025102/publication.txt
observed 05686b63e03d0d841d330195111d27c5...
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.