OpenTechnical

OT-2026-000071383

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000071383) never changes.

Identity and time

Publication numberOT-2026-000071383 · never reused
Internal UUID01a0ae91-e0ed-7ccb-8bc8-20e83aec6746 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071383
StatusPUBLIC

Content hashes

Canonical text2b04d2beeda0a9c19306de996a588ac1d3d09913e67696e2e747961f4da45f2e
Markdownc3b058dc5b36ddbeda3483861a019c66a6022a93cea79b0802a0f79ac2260b2c
PDF
Publication pageb51fea4c492c605588dc93772b344b8e09995cc6a21cbc173a667c3971b62fd1
Manifestc1b2e01f818d3637f963a4a9f62c1283e985f03a0107d2b22d81a883a6685a40

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
SignatureN9ZN5mOn8RSaQar84aMlqau3FclIDHVbGQ56OBpVsYApiw7HrA5UubPQ+kr2LzVzaqWpIhFQ+zyFaCyUP9p9Aw==
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

2026-09-17T10:25:00.233129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071383
observed b51fea4c492c605588dc93772b344b8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:00.216610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071383/manifest.json
observed c1b2e01f818d3637f963a4a9f62c1283...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:00.200526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071383/publication.md
observed c3b058dc5b36ddbeda3483861a019c66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:00.183804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071383/publication.txt
observed 2b04d2beeda0a9c19306de996a588ac1...
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.