OpenTechnical

OT-2026-000073628

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000073628) never changes.

Identity and time

Publication numberOT-2026-000073628 · never reused
Internal UUID01a0ae93-2b8c-7349-95f8-4877c842683a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073628
StatusPUBLIC

Content hashes

Canonical text82e748d29ca718fc2cc8e4396b3e76a9bee2d5efb153a5d7da43a265ace13bb6
Markdown47adf97b9341b761f1296aa04d6fb0802cfa62fdc83846cdd8e00035c7c71ad5
PDF
Publication page8f4b2cd72a0e02aba86631f737b028768e732b4a59d421997cc5b6f2f21b3ea0
Manifest6a8ed92745bf95d908937207ee9dd467535c28be0de8acb1d6b4981b41defb19

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
SignatureZGGfH0hmjPN2PyqDNNdZiIu0woo0+/acsLiNwGFkRpiQON86SWWv79G7fusAkgv3jL0WBVSropYw2y6IYsRHAQ==
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

2026-09-17T10:19:40.206732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073628
observed 8f4b2cd72a0e02aba86631f737b02876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.188522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073628/manifest.json
observed 6a8ed92745bf95d908937207ee9dd467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.170912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073628/publication.md
observed 47adf97b9341b761f1296aa04d6fb080...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.150844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073628/publication.txt
observed 82e748d29ca718fc2cc8e4396b3e76a9...
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.