OpenTechnical

OT-2026-000059594

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump 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-2026-000059594) never changes.

Identity and time

Publication numberOT-2026-000059594 · never reused
Internal UUID01a0ae89-ec24-7c9e-a496-d69f7bff65d0 · 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-2026-000059594
StatusPUBLIC

Content hashes

Canonical textf6822efcf8e5693141a6359f01d3930673217f73b4445a1c9ce115622ca870bf
Markdown5550b398db4e69206996957f9e4210420bbbf93ae6300897637cafbeb7324adf
PDF
Publication pagea266f31be63ffd10946635ef221f16ccdaaff2030900d37b6040b7e6ec2bd67a
Manifest4eee014f86f12d263666460294b50c2455955afdab2a4c409239eaec44c00596

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
SignaturebX4fSHNCeX66O21y0S55JC6vF6hAZTLS0y88AW382BLqxTTMdwJWfQ9N9l7VD3H49a5psl3HL3cuLapY57jNAQ==
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

2026-09-17T10:44:14.733411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059594
observed a266f31be63ffd10946635ef221f16cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:14.716381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059594/manifest.json
observed 4eee014f86f12d263666460294b50c24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:14.699381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059594/publication.md
observed 5550b398db4e69206996957f9e421042...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:14.680315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059594/publication.txt
observed f6822efcf8e5693141a6359f01d39306...
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.