OpenTechnical

OT-2026-000055623

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000055623) never changes.

Identity and time

Publication numberOT-2026-000055623 · never reused
Internal UUID01a0ae86-a103-7ecc-9e57-56a77e6d8413 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055623
StatusPUBLIC

Content hashes

Canonical text102d032d939f8c46165c8b959c93b41c4b3318d1bb522ad10f2147d79401cc5f
Markdowne75f1991cd9424481c93ffc5680b9d631e02b3564b32104616934d6d23ec606d
PDF
Publication page7a59fec31d544d63970ad29ea4c499379f58fa87d50a04fe35a662ebc2959016
Manifestec3bbd10aefd68a8e67cc4dfd2ff45ede4225738be70cd6935be3595d08500a0

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
SignaturetdmEuCvxi6/KHrMKuvuMW6UqI12WPaiEDE11lpL1cFtgVz3twb33dSzbNp2MiNRhZG5KEMWSGQV4DOrMGBSZBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:52.251880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055623
observed 7a59fec31d544d63970ad29ea4c49937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:52.232534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055623/manifest.json
observed ec3bbd10aefd68a8e67cc4dfd2ff45ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:52.213158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055623/publication.md
observed e75f1991cd9424481c93ffc5680b9d63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:52.193928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055623/publication.txt
observed 102d032d939f8c46165c8b959c93b41c...
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.