OpenTechnical

OT-2026-000061504

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, 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-2026-000061504) never changes.

Identity and time

Publication numberOT-2026-000061504 · never reused
Internal UUID01a0ae8b-7b44-7b5d-a35c-fd1347e5ffcb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061504
StatusPUBLIC

Content hashes

Canonical textada4af2020eea1eb1e36ec15837682efcbcfa2209a4a00321fe1d1228ca9864b
Markdown0b1ad7038bdd691d1a1916ee614b0ad070cf311c3bd42beec2ca8cf6a8eb2ee8
PDF
Publication pagec0607a40a7cc619ebe81ec6fd5af0a6cc5b5b88f77661a20b28edd0b57ea452c
Manifestad9456a068b85f79d29cd87e4d7092336cf997a804620b673906e60c92092be3

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
Signaturezd2Zq4VdSwjn1lrot1XDFLqgEbX9dEWL7fQ4Fw9XC+46IRnOfsL2Sd3xFZ1fhFQf0WOW6EUJ+NPvPFk5+t1TDA==
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

2026-09-17T10:41:23.957744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061504
observed c0607a40a7cc619ebe81ec6fd5af0a6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:23.939224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061504/manifest.json
observed ad9456a068b85f79d29cd87e4d709233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:23.920462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061504/publication.md
observed 0b1ad7038bdd691d1a1916ee614b0ad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:23.902918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061504/publication.txt
observed ada4af2020eea1eb1e36ec15837682ef...
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.