OpenTechnical

OT-2026-000100985

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three 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-2026-000100985) never changes.

Identity and time

Publication numberOT-2026-000100985 · never reused
Internal UUID01a0aea3-c377-7080-a251-ef523420d8db · 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-2026-000100985
StatusPUBLIC

Content hashes

Canonical texta4068a58b8969bd85e42fe055b9e33cf5c38052dd839a1a288a6fdc31567d74f
Markdown0a6976074a3bfc18793fed235fed1220c0ba121010a0e9816f4bfeae7218a617
PDF
Publication page20a1c31de33048b07504ed7930f61e420588885530aeca9eeaf9445634a2f986
Manifestdfe0739dff706a78cc2435221cb9a54b706e70d371b0d0309bc699e1c81c845a

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
SignatureQHRahTE7g4hXvZng/B6JSM4dvUrzJUNFbqiM9mrY35x9gnz3fPav1bU+SFLBkM3MIFWun4saiAdhyh9MFroSBg==
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

2026-09-17T09:26:34.939411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100985
observed 20a1c31de33048b07504ed7930f61e42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:34.922466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100985/manifest.json
observed dfe0739dff706a78cc2435221cb9a54b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:34.903041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100985/publication.md
observed 0a6976074a3bfc18793fed235fed1220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:34.883675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100985/publication.txt
observed a4068a58b8969bd85e42fe055b9e33cf...
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.