OpenTechnical

OT-2026-000056529

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000056529) never changes.

Identity and time

Publication numberOT-2026-000056529 · never reused
Internal UUID01a0ae87-7af5-7543-83f2-0c30a7675c41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056529
StatusPUBLIC

Content hashes

Canonical textdec52189c30a427742d043c9c79eb3191e29d0ecbd9f66b3a1abaaf7042fd885
Markdownfb063c936cd232e0308d9ece4b82c092df098c9b5bf4628062128fc1d0f7ad09
PDF
Publication page26c70167d7e7b7b1e6ae6f2215a551cc2624a6ca60c296a498f866c960c58ef4
Manifest7083d45ec3586d049a9cfe17904141445c81700ced12872debc31370aa17fc8e

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
Signature7S/dZW2J7JgDhawwv8+ZEvurf94dmJLVW5IFyM4nJZPqaOnGYn9yn6l70lmm3yBN+C68K9heOkKj4ofu5RPSBA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:51.429732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056529
observed 26c70167d7e7b7b1e6ae6f2215a551cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:51.410645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056529/manifest.json
observed 7083d45ec3586d049a9cfe1790414144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:51.393452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056529/publication.md
observed fb063c936cd232e0308d9ece4b82c092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:51.375017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056529/publication.txt
observed dec52189c30a427742d043c9c79eb319...
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.