OpenTechnical

OT-2026-000047508

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000047508) never changes.

Identity and time

Publication numberOT-2026-000047508 · never reused
Internal UUID01a0ae7f-3e58-75a0-a4cc-4a0f9f6cdae5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047508
StatusPUBLIC

Content hashes

Canonical textac5c386b9cd514e4675cdc0b876a0169584d1b671d7f45f7bf622301dad4d439
Markdownd5fa7710a847709603e6b95e6bf38073ccf8dd6035b32777856c5268399de36b
PDF
Publication page6994fd9a205c5434dc2e0ee5beeb2d96b0a08ce1f0adc6bd2ec82d762d7d2370
Manifestabda55375d0e6df7e090d43e630e52df8d53850d6734d143ef7b5785cc462e3c

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
SignatureksTTyZ2sLG02X51O/lK0finuodNzDHb+BDfUlDMrhOfNDYTezqndLws1XPaxDg4aqtNTXy2fUHxWDYCmUu3PAA==
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

2026-09-17T11:06:33.433832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047508
observed 6994fd9a205c5434dc2e0ee5beeb2d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:33.417458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047508/manifest.json
observed abda55375d0e6df7e090d43e630e52df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:33.400416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047508/publication.md
observed d5fa7710a847709603e6b95e6bf38073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:33.381829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047508/publication.txt
observed ac5c386b9cd514e4675cdc0b876a0169...
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.