OpenTechnical

OT-2026-000061713

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, vented after 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-2026-000061713) never changes.

Identity and time

Publication numberOT-2026-000061713 · never reused
Internal UUID01a0ae8b-b8aa-7918-9b65-9e97838da6fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061713
StatusPUBLIC

Content hashes

Canonical textb5e12e83b4e2d7bc961eeab9c91e89c9aa901cdd45b803bee88b8e851adabb64
Markdowne7065f43d6dc1eb7b7a893be9497eadf203018f8b140e4d878941e972c9f2a02
PDF
Publication page9b855b3d289e906ce59fcf966ccafdd3c85b9f19ccc0178261a5143416ae40fc
Manifest78bd0ab3fa0217ec6f47e199eff930971af53e86c7c0c2506b5ecca100a01de6

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
SignaturewpeswsamtwhmAdIB/4gOM2SqIR8xz6LzuvYXVSim4Le80sNVS1MEYsJMIuxkjrLobX2e3oSODGUJDzpWv758CA==
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

2026-09-17T10:40:17.307289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061713
observed 9b855b3d289e906ce59fcf966ccafdd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:17.288637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061713/manifest.json
observed 78bd0ab3fa0217ec6f47e199eff93097...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:17.217959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061713/publication.md
observed e7065f43d6dc1eb7b7a893be9497eadf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:17.138840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061713/publication.txt
observed b5e12e83b4e2d7bc961eeab9c91e89c9...
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.