OpenTechnical

OT-2026-000011423

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, sustained blow-off before set-down, on a tool changer

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-2026-000011423) never changes.

Identity and time

Publication numberOT-2026-000011423 · never reused
Internal UUID01a0ae6c-88fe-71dd-bde6-cb0028483ca6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011423
StatusPUBLIC

Content hashes

Canonical text49c3920f92b4dbf705021ba5fd1f8d84b68d164bf0032c6b95e3468918ca7085
Markdown5ba383d6c7106df82d9c13b48cdbd10ba5bf1003c32589754f8a7c2ef1bee209
PDF
Publication page76f632a61540cd2af2de93d5abeeb459cba03c617b0424004d9bdf79e2acdd29
Manifestd593b9f7da03d3e3dabe50cce3d8d2cb5a2443973ed96bb8d0b6f43c9d776119

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
Signaturew6UO4Avsfg/TA/9IlSL6OtiRs/DuEDYMkoWFucglpMZBnXiJfLvfE6JB6rgm3gHihASQFTqWYKH2v2U+9xS+BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:13:10.705145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011423
observed 76f632a61540cd2af2de93d5abeeb459...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:10.685719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011423/manifest.json
observed d593b9f7da03d3e3dabe50cce3d8d2cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:10.666067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011423/publication.md
observed 5ba383d6c7106df82d9c13b48cdbd10b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:10.645246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011423/publication.txt
observed 49c3920f92b4dbf705021ba5fd1f8d84...
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.