OpenTechnical

OT-2026-000081130

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000081130) never changes.

Identity and time

Publication numberOT-2026-000081130 · never reused
Internal UUID01a0ae96-b977-7afb-9ff2-dc2393a59951 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081130
StatusPUBLIC

Content hashes

Canonical text71d67660944c083994fb1c31fd86cb3595f2510c35a4d1bdf49b0060de078114
Markdown3e215703e0c8d16b5bdcdb6fa9a80f4cb48580c2c568c126dd2480268372448a
PDF
Publication pageb88bc7060c4e44faca4f8558464c4df0ea604673d528a2ac2801431605b3cb3b
Manifest6feb46a870450e9ac5013cc29335e3e059c0d71d2a3a50dcf7e9f699cae79fc1

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
SignatureFb4Eq/JnYTJB34uxfmGYNZfvMQSS17H/8/oSGm1qOo2QmnSTpfojcgLV5l6mS811QdmK3gLA7RzinSAuBO19BA==
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

2026-09-17T10:02:26.541532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081130
observed b88bc7060c4e44faca4f8558464c4df0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:26.524761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081130/manifest.json
observed 6feb46a870450e9ac5013cc29335e3e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:26.507836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081130/publication.md
observed 3e215703e0c8d16b5bdcdb6fa9a80f4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:26.489801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081130/publication.txt
observed 71d67660944c083994fb1c31fd86cb35...
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.