OpenTechnical

OT-2026-000100950

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off 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-2026-000100950) never changes.

Identity and time

Publication numberOT-2026-000100950 · never reused
Internal UUID01a0aea3-c377-7d7c-8721-6cc6ab79fa83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100950
StatusPUBLIC

Content hashes

Canonical text2c1eb608446fbc0ae962722bebcf48b3f8ce68b5aebba349995ad347db101d87
Markdown4f7d1b390f54683bfe9977c13ce3032dafa0cb8c3b8322152bc5dae82a140442
PDF
Publication pageb12423c8ef6d08bef6b254a8ee7a5740c2ef231fe8266d9bb962c32711000be1
Manifesta1c34f55eaed40d9966ae6cf78c13f518edcbf906b46308ec2ff574c02dd5b84

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
SignatureHrhOSi8hgbQ7qldATcUKdrbrQxDipU1eLWkv86EWA6yB2qHD/JGqnP/T/pIkxYjEZeUmjWuV5TUpoWExXfTdCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:27.503141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100950
observed b12423c8ef6d08bef6b254a8ee7a5740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:27.485194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100950/manifest.json
observed a1c34f55eaed40d9966ae6cf78c13f51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:27.466923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100950/publication.md
observed 4f7d1b390f54683bfe9977c13ce3032d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:27.446348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100950/publication.txt
observed 2c1eb608446fbc0ae962722bebcf48b3...
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.