OpenTechnical

OT-2026-000049737

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained 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-2026-000049737) never changes.

Identity and time

Publication numberOT-2026-000049737 · never reused
Internal UUID01a0ae81-8fef-7a37-b22d-94ef44199a2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049737
StatusPUBLIC

Content hashes

Canonical text1deaca985c4c7239759b953b6e7ac896281ddbe30e12c2441260c7ddf5042dfc
Markdownb5869d1c9c7e6e8b2aa98649109f7410e74dc061ded28e685b89cee9313646e4
PDF
Publication pageec8c67614534a04c15aed35b68f659fbe1280f54ea37d5f2b081b920c9764c58
Manifest60330fc0646832cc555c7607229a5f93676a999950434a9914e5a39adaedae80

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
SignatureKREPCPlJDoCxCWyBuOLSzjGQyBX1fceX3YTXKku+uTZi+doo4dyPcQYayANFX5KZhIfvc/4+0ZnfsP4mU1WNDg==
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

2026-09-17T11:02:45.735447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049737
observed ec8c67614534a04c15aed35b68f659fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:45.715412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049737/manifest.json
observed 60330fc0646832cc555c7607229a5f93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:45.696745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049737/publication.md
observed b5869d1c9c7e6e8b2aa98649109f7410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:45.676802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049737/publication.txt
observed 1deaca985c4c7239759b953b6e7ac896...
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.