OpenTechnical

OT-2026-000004056

Publication integrity record

Vacuum cup gripper, six outlet manifold, pump fed, pressure verified, contact triggered

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-2026-000004056) never changes.

Identity and time

Publication numberOT-2026-000004056 · never reused
Internal UUID01a0a90d-fe46-737a-a3de-3c8901602dd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:11:01.706137Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004056
StatusPUBLIC

Content hashes

Canonical text0ecc6fcf44a6d603e246820a8c707f1388367fadd3e7b1613a1157a2c754c66d
Markdowne71a70c2e8a1da37be362d09c068f917567674eff90e000991e96f299c4b5d1b
PDF
Publication pagee5c475b18debc2abfae786cd28c6b18cfb20c674bc0514acdae0645f11312b23
Manifest325ba403e3408f02cdb927ec7168e524763bb6fbadc990a1ef4bf136194a24e7

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
SignatureI7jal1ulWSgR2gAj543BWS5UtbK+aSMIYG+ZqjZjL3mzJgXfVxt773x1fMybTYTNDQ5Oox5T6ZJOx00FpKHTCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:40:33.240875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004056
observed e5c475b18debc2abfae786cd28c6b18c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:33.227454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004056/manifest.json
observed 325ba403e3408f02cdb927ec7168e524...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:33.213255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004056/publication.md
observed e71a70c2e8a1da37be362d09c068f917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:33.201114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004056/publication.txt
observed 0ecc6fcf44a6d603e246820a8c707f13...
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.