OpenTechnical

OT-2026-000062052

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000062052) never changes.

Identity and time

Publication numberOT-2026-000062052 · never reused
Internal UUID01a0ae8b-b8af-7dd1-b887-7aa1932c48da · 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-2026-000062052
StatusPUBLIC

Content hashes

Canonical text33437299fa4e1d7e53e40bc2f4a915b0e6f536bf452f91f8726b467d741c56e0
Markdown693d1a3c3924f5d22ca2e0e81c8a7a7d7d6a188d89d184fbe940ba8999e8b98c
PDF
Publication page9648271f856db80a93b3539568679a57408b9b0a10cded112e00c937931efc8c
Manifest9087a5339d9065c6c655713e53b4457f90fb4227506e98ed99a2da2aa454d22e

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
SignatureRWSEME+H+lCT1dt8Klv26UcOVg038Sx+4Vilc/bV1KVuWjFweCyh3upe/O8OQg7EEFz0VAbQfmz7caOeSdy7Dg==
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

2026-09-17T10:41:05.686044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062052
observed 9648271f856db80a93b3539568679a57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:05.668055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062052/manifest.json
observed 9087a5339d9065c6c655713e53b4457f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:05.648406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062052/publication.md
observed 693d1a3c3924f5d22ca2e0e81c8a7a7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:05.628570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062052/publication.txt
observed 33437299fa4e1d7e53e40bc2f4a915b0...
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.