OpenTechnical

OT-2026-000010481

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, 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-2026-000010481) never changes.

Identity and time

Publication numberOT-2026-000010481 · never reused
Internal UUID01a0ae6c-0ee7-7650-a67a-060ebf08ea94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010481
StatusPUBLIC

Content hashes

Canonical textadcf190035aed58b0b9e634e5a55f06d5d28061c51d257c9443f44ea78e2a75f
Markdown693d6ed1de8fe93295e46d652eb6948853ecfe3fc8ae65f938d39aa1f754b727
PDF
Publication page7d54b506ca3e64649d0a36e5e5c484974bf7a42c8f5f869c3cd72e58d420ed8e
Manifest40ce481f512844a685a15f4c20c616af6a77e77cbbcb8ac30676e047fb7bb6c4

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
SignatureB8anmuY/wEV2NftLhwye0Ap4trlMaCBHJGMt+BfyCwwYptX4qoVjxPMH2VLd2bUq9DuQw0Fe6r9XFHphV9PmCg==
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

2026-09-17T12:14:37.616796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010481
observed 7d54b506ca3e64649d0a36e5e5c48497...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:37.597220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010481/manifest.json
observed 40ce481f512844a685a15f4c20c616af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:37.574649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010481/publication.md
observed 693d6ed1de8fe93295e46d652eb69488...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:37.554602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010481/publication.txt
observed adcf190035aed58b0b9e634e5a55f06d...
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.