OpenTechnical

OT-2026-000048686

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000048686) never changes.

Identity and time

Publication numberOT-2026-000048686 · never reused
Internal UUID01a0ae80-c32b-7bf7-9013-070b7fcaaf17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048686
StatusPUBLIC

Content hashes

Canonical text028f74a61de0d45a693c211235dad715bf088b658d8d197e282408e0f28ac712
Markdown302fc8fe6c9861bea303a4b4f9a1f8c976d471c068f1e7f59a8729931b6a943e
PDF
Publication pagedc90d24d995e3779433bbfd33714521f34027e833fcf6a7270f654427d381a11
Manifest22dcb1e5c0950c80e2ffa09ffad1194f880df891bc11f23b059fbc00cd433c22

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
Signaturej/WhWDeXxuIof20zcAZlpznWKQwmMij+7iruuIjqP7t88DjrvkCiD2ii5HfSJLFTQDbAsFq2MM+SLhx6D5ShDg==
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

2026-09-17T11:04:18.866103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048686
observed dc90d24d995e3779433bbfd33714521f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:18.846342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048686/manifest.json
observed 22dcb1e5c0950c80e2ffa09ffad1194f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:18.826235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048686/publication.md
observed 302fc8fe6c9861bea303a4b4f9a1f8c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:18.809242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048686/publication.txt
observed 028f74a61de0d45a693c211235dad715...
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.