OpenTechnical

OT-2026-000059244

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained blow-off after set-down

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-2026-000059244) never changes.

Identity and time

Publication numberOT-2026-000059244 · never reused
Internal UUID01a0ae89-8613-754b-b31c-12f7252f0ecf · 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-2026-000059244
StatusPUBLIC

Content hashes

Canonical text07f6a98320e0897f218ca1ae65cd1699ce87f7e81b59ef622c9147eec3dd1a1a
Markdown8032590f7fe5b36c69fd66b293654d1c967e47c1cc2fa370bacf03ab4c21a67a
PDF
Publication page84a00081ca843902728ce68e56ba05b652cb18f50f94908c3a5a0c2cdb0e9a00
Manifesta1bfbe7ec933dd47b42d13407f6751b7042990a86447e6b68dc2fee5fcaffd2e

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
SignatureeniwKdTXKLJDZmQt0Iz56BTzY5BNUmf0zaIXj88iew5Q7mjZ2C6P09yLSYZ4WeTL+XVyCWK6397bN9Jm+MAIBA==
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

2026-09-17T10:45:46.888954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059244
observed 84a00081ca843902728ce68e56ba05b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:46.870795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059244/manifest.json
observed a1bfbe7ec933dd47b42d13407f6751b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:46.852150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059244/publication.md
observed 8032590f7fe5b36c69fd66b293654d1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:46.834263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059244/publication.txt
observed 07f6a98320e0897f218ca1ae65cd1699...
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.