OpenTechnical

OT-2026-000100921

Publication integrity record

Two cup vacuum gripper, two 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-2026-000100921) never changes.

Identity and time

Publication numberOT-2026-000100921 · never reused
Internal UUID01a0aea3-c376-7440-8d89-f550f58ecbe1 · 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-2026-000100921
StatusPUBLIC

Content hashes

Canonical text40c32fb5513be77f6bf17417b423e277e43d048a727e0cad4a1d667f6e5e21a7
Markdown024dfdc53f50d44d23ddee5fd9b196516528a6d6cc62e36eab99d18c788a5361
PDF
Publication page456cb13aa0bac7d8878119ec14ebd80c562253e4571f158d976e940d6403d4b0
Manifestc70b617841077cf84577546aaa983f3b90186a0bac9e850bddd80218c465f6f3

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
SignatureUwk9VimMCaJc0hh1wsQDLCNkIrLORnJbj438AFxY19gJfYkv5JA0qxTAUwAWLCbV3Ci7LbP14m9Ict51tPMcCw==
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

2026-09-17T09:26:25.237966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100921
observed 456cb13aa0bac7d8878119ec14ebd80c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:25.221451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100921/manifest.json
observed c70b617841077cf84577546aaa983f3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:25.205045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100921/publication.md
observed 024dfdc53f50d44d23ddee5fd9b19651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:25.185763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100921/publication.txt
observed 40c32fb5513be77f6bf17417b423e277...
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.