OpenTechnical

OT-2026-000012800

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, pulsed 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-2026-000012800) never changes.

Identity and time

Publication numberOT-2026-000012800 · never reused
Internal UUID01a0ae6d-5563-775f-890a-e8d48c3ab99c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012800
StatusPUBLIC

Content hashes

Canonical texte6a221d5408ff3b43db7dd506fccaa537d122c64cd9e9cf41d081d8b6a78eecc
Markdowncc2c87d56d3fb10fa1a34a898aade257d0d7788ad2573847e9cdd90eec30d4a7
PDF
Publication pageec8dbffa0f9a4b9ac68fa0e04a8d3763b61b474f2f81eb4cc204e9876852e3dc
Manifestf4b9f295a0faf146055be52bf39172aab14f7ee0ffde4d8d9ed729c6e26b0fb7

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
SignatureJ9C3m8wPgT7m97tzilPuKGKVZ03X83fs0tdgR8sXu3iD4SzJw7AglEaiIvoNnkhu3Wt4SjSBrVgPkSVj3GyABw==
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

2026-09-17T12:10:31.634297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012800
observed ec8dbffa0f9a4b9ac68fa0e04a8d3763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.612715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012800/manifest.json
observed f4b9f295a0faf146055be52bf39172aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.592039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012800/publication.md
observed cc2c87d56d3fb10fa1a34a898aade257...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.570882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012800/publication.txt
observed e6a221d5408ff3b43db7dd506fccaa53...
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.