OpenTechnical

OT-2026-000045164

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, pulsed 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-2026-000045164) never changes.

Identity and time

Publication numberOT-2026-000045164 · never reused
Internal UUID01a0ae7c-f769-7ddf-8bef-e3859615bb9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045164
StatusPUBLIC

Content hashes

Canonical text4b93a1fdc7593a51d3de17b7a26307688b311b3b3c624b237cd24e130bcb8c58
Markdown250d3a54d115f96fc595b720394c4119c1b4cfa662cbd165644c81b8fdb3747e
PDF
Publication page41a56040822c4d130eea532e7191dab18c540c173647eb20d523ca3bbd283e01
Manifestd978f30cfd2e448ff536c88db1cfb27b9c5dc4c524f6c14cf5199f1272ddfaf7

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
SignaturetwoAhUm6xLvkR+KBxccT7kvsgLMT1qaYCiHO855VwqXK3hYatLSMscWceKr0AwhE3tr9MKNODSqprlqb+DdmAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:19.502306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045164
observed 41a56040822c4d130eea532e7191dab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:19.482246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045164/manifest.json
observed d978f30cfd2e448ff536c88db1cfb27b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:19.461512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045164/publication.md
observed 250d3a54d115f96fc595b720394c4119...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:19.443240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045164/publication.txt
observed 4b93a1fdc7593a51d3de17b7a2630768...
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.