OpenTechnical

OT-2026-000047651

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000047651) never changes.

Identity and time

Publication numberOT-2026-000047651 · never reused
Internal UUID01a0ae7f-c41e-72cc-81a4-29857b7b6058 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047651
StatusPUBLIC

Content hashes

Canonical textd85371a32e146b5932fd7eeec8a2ccc0be50acf0969a59693d460a7df2becfc0
Markdown6af37e17b3a7df8b407440d2854a6682e917a3550b9921126cb882f7c3443505
PDF
Publication page13340faa5dde1940182606b4de87a50721b8f8d15498b3cc21d3eb523ad27fd5
Manifest3a3dc79342342adc8479923e2bf5314b5127b5b906e605d5a5aeaa08006ae526

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
SignatureqOnxl9tbsNMykDhkz6My+1JAmz7pVsD2kqsUst5dqCkOfHGtHR6f6AlwJwZtoaeROAFwesXGuhQj9XkeiF8DBQ==
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

2026-09-17T11:05:29.168618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047651
observed 13340faa5dde1940182606b4de87a507...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:29.149228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047651/manifest.json
observed 3a3dc79342342adc8479923e2bf5314b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:29.129726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047651/publication.md
observed 6af37e17b3a7df8b407440d2854a6682...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:29.110071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047651/publication.txt
observed d85371a32e146b5932fd7eeec8a2ccc0...
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.