OpenTechnical

OT-2026-000024977

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line 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-2026-000024977) never changes.

Identity and time

Publication numberOT-2026-000024977 · never reused
Internal UUID01a0ae71-2728-79d5-9ecb-a91f735077e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024977
StatusPUBLIC

Content hashes

Canonical text747ab0231ed75505f95339260240cb43ad43013b9fbbdf1875c0e8305b3788ab
Markdownf8b66abec89717dc45f9dcdd7617f99661ece7cc4d76ac25d93651d57a11f3e9
PDF
Publication pagee9a00e7af8f354f5239b1d6ae3852de59a001a70e56e61179d4005e5ed751c46
Manifestcb9fcf121b9a3934de17871c1c59452c4b3657c89eb78e70ba2f65990efaba95

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
Signaturewb/WN0JXDHAhOyaBFPnwV9Y8/6tstHDGRcARh/FqJdbq6t0YO6aaZtnPCsk2giZouTIbIxPmlkbQk9BzsNQhCQ==
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

2026-09-17T11:48:19.935654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024977
observed e9a00e7af8f354f5239b1d6ae3852de5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:19.915767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024977/manifest.json
observed cb9fcf121b9a3934de17871c1c59452c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:19.895744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024977/publication.md
observed f8b66abec89717dc45f9dcdd7617f996...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:19.877461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024977/publication.txt
observed 747ab0231ed75505f95339260240cb43...
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.