OpenTechnical

OT-2026-000071717

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000071717) never changes.

Identity and time

Publication numberOT-2026-000071717 · never reused
Internal UUID01a0ae92-1e91-70da-91f4-78e53f80ff3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071717
StatusPUBLIC

Content hashes

Canonical text77264d359f03e1da8f380233d8157d951363dd1f10db713080bf624e9815879c
Markdownafa0bdce71a7d8967704dceb4eacea16366888b4bcac84c648c786c9b29c0d3b
PDF
Publication pagec031fcfae44b4d24dc39a17e1b54a0d72ce7339dc3e22b6e15aaf9142e7bd3f5
Manifestcadf12b8fda655185ca1f8f84ee35e9b7fbe3884fe3fd2fcf92089a4fa367bde

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
SignaturexLaK7J/yr3pjiPTu53KPszMiUXeDAwMg7LnsVEUH4xTx9N31m9R3IV0mIZFzyeLNTb6JuiRGL1fqRT74+qBKBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:52.116843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071717
observed c031fcfae44b4d24dc39a17e1b54a0d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:52.099543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071717/manifest.json
observed cadf12b8fda655185ca1f8f84ee35e9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:52.082379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071717/publication.md
observed afa0bdce71a7d8967704dceb4eacea16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:52.063879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071717/publication.txt
observed 77264d359f03e1da8f380233d8157d95...
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.