OpenTechnical

OT-2026-000049068

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off after set-down

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-2026-000049068) never changes.

Identity and time

Publication numberOT-2026-000049068 · never reused
Internal UUID01a0ae81-134d-7b0c-a0e1-793ec68d27b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049068
StatusPUBLIC

Content hashes

Canonical text9ebe09e848db1bfb620febe48756632b9a4f1f42a99ed040b90857b7fa049873
Markdown6de97aeadda7831ed7327a3c682311cbf22b5ef23fa91371ae888ae1b75d8d9e
PDF
Publication page74d63e16d1f832b570f9b51512f99e529100f003a0387d2e672835e1fca5cbcf
Manifest47c7e0ddbf93fb086fa1dd1402db2c2cb85a28ff5b76607acc5b4a2db9f4d599

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
SignatureXZQoUGZvnfIi3tU40u7QwVWzbUDfCBdD7CqcMNqEmRPKLMvFgMrTOpKGtha6Sl9Ul2eBo2q9O45Grf6ShzGnBQ==
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

2026-09-17T11:03:18.163839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049068
observed 74d63e16d1f832b570f9b51512f99e52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:18.144517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049068/manifest.json
observed 47c7e0ddbf93fb086fa1dd1402db2c2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:18.123540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049068/publication.md
observed 6de97aeadda7831ed7327a3c682311cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:18.104612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049068/publication.txt
observed 9ebe09e848db1bfb620febe48756632b...
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.