OpenTechnical

OT-2026-000099576

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000099576) never changes.

Identity and time

Publication numberOT-2026-000099576 · never reused
Internal UUID01a0aea2-c975-7cfe-bbeb-3529569eb86b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099576
StatusPUBLIC

Content hashes

Canonical text3a4061757b74172885e57f2365e27b3f7702e87e74cc8542ea23ea98a53083ae
Markdown09850f216c587123ef8bdfd3422132e828533710c5bdbf54dac608a1bbb51810
PDF
Publication page559cd70acf2fa24295102f1fa320d1e5ad35e9de8aedb790c095473434227b9c
Manifestf2f1d7a3c9585f9ce306872ec61869e7e301178003dd617a7cfac262fff7af1e

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
SignatureWKXng+fKcTIqtLHbDfaTkpMojbdFC+sqGkoG+caqMzOoFlKPKtuh/EkXUkpb8Dc2eTepfcJAQhx4t701FKzUAA==
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

2026-09-17T09:29:29.672751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099576
observed 559cd70acf2fa24295102f1fa320d1e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:29.651240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099576/manifest.json
observed f2f1d7a3c9585f9ce306872ec61869e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:29.631398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099576/publication.md
observed 09850f216c587123ef8bdfd3422132e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:29.614306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099576/publication.txt
observed 3a4061757b74172885e57f2365e27b3f...
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.