OpenTechnical

OT-2026-000053625

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line 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-2026-000053625) never changes.

Identity and time

Publication numberOT-2026-000053625 · never reused
Internal UUID01a0ae85-0a95-7356-9e52-75a5418a0325 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053625
StatusPUBLIC

Content hashes

Canonical textf3fa49f1967429026516bf9d302c33f3a04672ec4b468db21cf24d36725a44c8
Markdowne98f4acb2ad1ec13b8dcbbc187050e0b5246d13e356096bcff123509436b0128
PDF
Publication pagea995876d033915804c95b0039dacadb47fa49255d262f3802a8570b413f21ee7
Manifestf5ee71cfe449a48640f400134c38134365d29fc4309546a2a4b4ca5432a5e7b5

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
SignatureUCctg7YfjwwoOX5KazAcEtbHN6sc6ODZ5msGWekrmChtRLDT15D8fN48UEqJcMDwuafidxiiXtAfoQWn/RNNAg==
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

2026-09-17T10:55:30.286925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053625
observed a995876d033915804c95b0039dacadb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:30.268804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053625/manifest.json
observed f5ee71cfe449a48640f400134c381343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:30.251980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053625/publication.md
observed e98f4acb2ad1ec13b8dcbbc187050e0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:30.233488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053625/publication.txt
observed f3fa49f1967429026516bf9d302c33f3...
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.