OpenTechnical

OT-2026-000059080

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000059080) never changes.

Identity and time

Publication numberOT-2026-000059080 · never reused
Internal UUID01a0ae89-8611-7c24-8032-8ff43bfed5ff · 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-2026-000059080
StatusPUBLIC

Content hashes

Canonical text6a4b7dcd327edb5c9be9af1bbe09d5f885026b92bed443f94caf0099703e4dd3
Markdown31641c3fb1426dee32e47b041b2d3b627a35cf89ad4cdb88fbaf0ee9353992ac
PDF
Publication pagef56b35b6f8fd844d720ecb91bf609bff5a6f8e3539723e12220d1fb3ea9fa55f
Manifestda374b6e898e5edd041461cf7c18a396e61b79722782adee9870261757c7e5e5

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
SignatureUq0t0ZYrWPBztpwAafcy1d9bHTHvF/z4oIQrLFd0H2BguiKHItCOibjXVYHgJwQyiMLijTklupGuEQpDw2dyCQ==
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

2026-09-17T10:44:50.445554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059080
observed f56b35b6f8fd844d720ecb91bf609bff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:50.429025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059080/manifest.json
observed da374b6e898e5edd041461cf7c18a396...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:50.410254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059080/publication.md
observed 31641c3fb1426dee32e47b041b2d3b62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:50.393392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059080/publication.txt
observed 6a4b7dcd327edb5c9be9af1bbe09d5f8...
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.