OpenTechnical

OT-2026-000006764

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, plant vacuum fed, vented 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-2026-000006764) never changes.

Identity and time

Publication numberOT-2026-000006764 · never reused
Internal UUID01a0a966-9d82-7b2e-8528-6d9691445542 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:47:49.637238Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006764
StatusPUBLIC

Content hashes

Canonical textcc4d01fb9c66b7e6ba581b5bde436a66dc3dd106dd107022d5b767e8472f4d43
Markdown477bb389acbe8d773bd27ed637a55cc618d831bad9148333528b639fd3c6993e
PDF
Publication pagea9bd66b266e2ef3d70457d57edcf9f23a2027e2628df700fe9444f2fb25e3e32
Manifest7f7ec0e8d076be9200b480ab96b272234082d84a1c5dd42a0b02db90b540343b

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
SignatureuGbbGsDlaG/6y9DTCaTnhoHGERdc2jH9rcGVYGOEncsRXYKLHA8FTfoiTknIBiqkvmu9Voge4O9UChhoPqRrBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T08:50:08.939294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006764
observed a9bd66b266e2ef3d70457d57edcf9f23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:08.924333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006764/manifest.json
observed 7f7ec0e8d076be9200b480ab96b27223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:08.913306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006764/publication.md
observed 477bb389acbe8d773bd27ed637a55cc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:08.900258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006764/publication.txt
observed cc4d01fb9c66b7e6ba581b5bde436a66...
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.