OpenTechnical

OT-2026-000073022

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000073022) never changes.

Identity and time

Publication numberOT-2026-000073022 · never reused
Internal UUID01a0ae92-c815-7081-8ecf-3fbcd7345ffe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073022
StatusPUBLIC

Content hashes

Canonical text3d6d4253efe430548ea59325d4c5323322628d978a88d1b309d5342a749ebaf8
Markdown07e0bbdaa05133108d33c862c252fee79b63d948cc66a84bcfcba6ed6a1220ec
PDF
Publication pageb72782a818606d0fae26477ffc9436e24aebd29be91db8a2727ef0d5218a8e75
Manifest21aa9edb3c1dffaa3a2a9c56a256a6b0012b09feece98e9ec74a476ab7013c12

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
Signature0az4rCOAglMBQn7JobNMnP0090Un1bfZ1bdz2Mf8wHK0Hper1SkYNXUYonnEDfps7UD4ub7CUjcd7o9ua+yHCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:57.646110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073022
observed b72782a818606d0fae26477ffc9436e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:57.628793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073022/manifest.json
observed 21aa9edb3c1dffaa3a2a9c56a256a6b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:57.611811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073022/publication.md
observed 07e0bbdaa05133108d33c862c252fee7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:57.593669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073022/publication.txt
observed 3d6d4253efe430548ea59325d4c53233...
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.