OpenTechnical

OT-2026-000077672

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000077672) never changes.

Identity and time

Publication numberOT-2026-000077672 · never reused
Internal UUID01a0ae95-2ecf-7d24-a94b-e7b9e776ace9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077672
StatusPUBLIC

Content hashes

Canonical text6f7601465484582d3601f509286a176b8baad8a128b93dce568d0cae5a1a23a4
Markdown3e66a69e09466cdf40aa088c5d1442734aef44e0ff791ef13cdefa4dc7713bed
PDF
Publication page5a71e64cfbe09328e97da8dfbb7c2e57dc356db6a3cb3a17eefd3ce20de538e0
Manifestd1f8a53e8ab82f091ff124636ad89d7bbfa5875481c972a2fd224e4c02b5933c

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
SignatureIIrR+GsIs5zwNlR4wQgCZlRg7IhE1Fv99KIjgwVUSuFLvU/lLt15NiC9AZvaQhHkrDhz1hWRrbkeo2Qw9AaLAQ==
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

2026-09-17T10:06:55.286552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077672
observed 5a71e64cfbe09328e97da8dfbb7c2e57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:55.265826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077672/manifest.json
observed d1f8a53e8ab82f091ff124636ad89d7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:55.247464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077672/publication.md
observed 3e66a69e09466cdf40aa088c5d144273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:55.230921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077672/publication.txt
observed 6f7601465484582d3601f509286a176b...
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.