OpenTechnical

OT-2026-000059401

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000059401) never changes.

Identity and time

Publication numberOT-2026-000059401 · never reused
Internal UUID01a0ae89-8616-790f-be30-1ed8e2f44e91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059401
StatusPUBLIC

Content hashes

Canonical textfbb297300d32384c1b3fe0c52ab498016482bf75d5a37f7521c88adc141c83db
Markdown8a1d72b516ed493767ec6d0393b54baed665a219353d34d49c0b008b426a78c9
PDF
Publication page0d57b7f15700c7d8a28cd235a1a3881a4a065c8b6da0a11ff21c644c614f6366
Manifest516981dbb0b1db74ef8390a891d427dddb61eb7548546ddd5c7c6db65140c8b7

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
SignaturehP486zW5O87XIG9S5huBo2eAv3WktBCL9pbdigZjILS47+nB4NVTv1xPVGednem1yvx7qcadg2qzWHxQzGAaDA==
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

2026-09-17T10:46:04.808351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059401
observed 0d57b7f15700c7d8a28cd235a1a3881a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:04.791089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059401/manifest.json
observed 516981dbb0b1db74ef8390a891d427dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:04.771003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059401/publication.md
observed 8a1d72b516ed493767ec6d0393b54bae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:04.753356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059401/publication.txt
observed fbb297300d32384c1b3fe0c52ab49801...
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.