OpenTechnical

OT-2026-000030011

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single 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-2026-000030011) never changes.

Identity and time

Publication numberOT-2026-000030011 · never reused
Internal UUID01a0ae73-ac49-761a-8641-f1aaa7ea88d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030011
StatusPUBLIC

Content hashes

Canonical text6964d9543aa0c61a0e2f8495614a8ed05f43e14ae009b6bf967b2e48bd735351
Markdown2b1c470720c55bb41a989581d76b80b4811d77efd00f96a86e5c95b213a1527c
PDF
Publication pageb390c50f42f49c3e85d8648cf86fe044ffd6a93ec320ce7fb1b5789d0a97962e
Manifestfc5e4e413bc42666253ad8daadba4baa86ec2008aaa9b3ba2b2c38e00f21b1f5

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
SignatureWICHrCAmKzs2PQdMwpVgQEqEFaCrf7FQV2INTaVpluQ91i7QG31Td8WsoCckmh57/zxCBF776NB/0d0WcNq6Aw==
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

2026-09-17T11:38:44.610982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030011
observed b390c50f42f49c3e85d8648cf86fe044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:44.594504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030011/manifest.json
observed fc5e4e413bc42666253ad8daadba4baa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:44.578998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030011/publication.md
observed 2b1c470720c55bb41a989581d76b80b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:44.564193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030011/publication.txt
observed 6964d9543aa0c61a0e2f8495614a8ed0...
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.