OpenTechnical

OT-2026-000059794

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000059794) never changes.

Identity and time

Publication numberOT-2026-000059794 · never reused
Internal UUID01a0ae89-ec25-76cc-a3c7-8005443f6592 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059794
StatusPUBLIC

Content hashes

Canonical textbafe0b1a67458e69dae00d0d8eb14b2297032354da30b4d9b9d25e2b8ab5b054
Markdown5eac43c6c795de3f9d00d949278453aaf08a8c15e6160eede437a64134e9e74b
PDF
Publication page6b573f49c0c8543223033487022eb6530b057ffdcbddb4d9a7ac19f64dd8487b
Manifest0c3099004b96d89556c591902284a98948546287f091810ed0b0c71844d7b250

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
SignaturexMvFT9+amvG9+9mWQbR0Lr2n3caG5JtA08DJTbDCQMndt+0FVQLJ/QMqNgADmISX/19truQlk4AYImbl+2/zAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:31.684458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059794
observed 6b573f49c0c8543223033487022eb653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:31.667296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059794/manifest.json
observed 0c3099004b96d89556c591902284a989...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:31.648363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059794/publication.md
observed 5eac43c6c795de3f9d00d949278453aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:31.629494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059794/publication.txt
observed bafe0b1a67458e69dae00d0d8eb14b22...
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.