OpenTechnical

OT-2026-000101381

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000101381) never changes.

Identity and time

Publication numberOT-2026-000101381 · never reused
Internal UUID01a0aea4-0e13-72ab-8467-1d4eb90ae8f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101381
StatusPUBLIC

Content hashes

Canonical text2115cc38b0549a315b4fcf55b0896d83f5ed0ddb31ee172ac99c69ba5a509a0c
Markdownb55f0fe4b02ef9d15dc6f6ff334883b45726922226d172881604bf7a4a8b971e
PDF
Publication page41f8a3bf09b8810fbf077453c777208ea918bdb12d7dbb21e50fadca599eb97e
Manifesta8745937d53203f42d3fd3a6aa633687751567a236d52ee99df906f93a04107e

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
SignatureW3lJkTO+z9S0u/3iu92Yi3+kY20V5Khc/J+yY22ldRRaVREO37xvWHzx+Uu4PD99aH56obLj8yzSiYf1TbNYBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:39.641082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101381
observed 41f8a3bf09b8810fbf077453c777208e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:39.623281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101381/manifest.json
observed a8745937d53203f42d3fd3a6aa633687...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:39.605358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101381/publication.md
observed b55f0fe4b02ef9d15dc6f6ff334883b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:39.586724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101381/publication.txt
observed 2115cc38b0549a315b4fcf55b0896d83...
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.