OpenTechnical

OT-2026-000078350

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump 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-2026-000078350) never changes.

Identity and time

Publication numberOT-2026-000078350 · never reused
Internal UUID01a0ae95-7c27-784d-a10c-ef4151f7f3db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078350
StatusPUBLIC

Content hashes

Canonical textdbaa56eb8429cc9be8f1523718c7aa8d52a117a680e3f096e252f85469fe67f8
Markdownd2c9a50b7e2a12516eef5a2051638ba638a9b6fe3a474eeb6f43c37689dd4de0
PDF
Publication pageda95ff3a836091c2fefffc681af49a95ccdbf15077616aaa2a9184140e358d8f
Manifest1ea62e9e584bfc0f4dd257491ffb9120d4e59ec88dc6f0246ff7581d9253416f

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
SignatureWfJIsjWmu1rD4zm4A7s4LogOnf/15ZvSY2P6xOiVUJ63NWWjQ0yywA5AT0VVR/wacsaZsqLBtrHhKR1xow0hDA==
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

2026-09-17T10:06:19.161190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078350
observed da95ff3a836091c2fefffc681af49a95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:19.141490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078350/manifest.json
observed 1ea62e9e584bfc0f4dd257491ffb9120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:19.122762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078350/publication.md
observed d2c9a50b7e2a12516eef5a2051638ba6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:19.105100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078350/publication.txt
observed dbaa56eb8429cc9be8f1523718c7aa8d...
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.