OpenTechnical

OT-2026-000081957

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, sustained blow-off 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-2026-000081957) never changes.

Identity and time

Publication numberOT-2026-000081957 · never reused
Internal UUID01a0ae97-0f77-7811-9de4-988ef71cb2c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081957
StatusPUBLIC

Content hashes

Canonical text7aca31170400120a37869d4c077f615468119f405feb6afd841ac9fe27156957
Markdownddcd0099e538a505d8750635cbe762305508ed8ddd88172d5319c337c5dd6173
PDF
Publication page2122128b0b33a43e7d933e83e2849ffd8d7df3164d304babbe9a5001b13fd547
Manifest08d0e3b8ddfa499659c9c146e693beb2822272b4030e93de76c094adde928f9b

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
Signaturee00ptjBWgqAn0rfSr6wBsOux8ujakI9lPTN0WNNV1JmXRj4gTyy/DoAN3JN5k7YqlyJWYKXqr1FC24ySvgYlCw==
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

2026-09-17T10:01:05.589181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081957
observed 2122128b0b33a43e7d933e83e2849ffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.571252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081957/manifest.json
observed 08d0e3b8ddfa499659c9c146e693beb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.553240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081957/publication.md
observed ddcd0099e538a505d8750635cbe76230...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.535577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081957/publication.txt
observed 7aca31170400120a37869d4c077f6154...
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.