OpenTechnical

OT-2026-000072009

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000072009) never changes.

Identity and time

Publication numberOT-2026-000072009 · never reused
Internal UUID01a0ae92-47c0-77b4-b230-e6e185e74b14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072009
StatusPUBLIC

Content hashes

Canonical textd39afad193463972c46b5097e1b487c1de639d4014ac242592ae54bf436b642d
Markdown5853d72d280f1ac7eb4f52c2f3b957928e25c5b0dec2543e3af4b867c0b479f8
PDF
Publication page1cbe30007869f573090ee28dcdef520bdf65b8864a9ad9e46b82adc8526e4d3d
Manifest2c7546ab2d5d9b246c9ca1b6d1116af0e2ff01944fe42ef6380269f90dcc6927

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
Signaturev3oZ3/Nlwf+4hoeqrzNsFNTUcY9fUC9Bv7WURh/SPNly3wQMLn1uhFkzbUEQFx1Xy7LmGzZyg9kO2B0br+lFAg==
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

2026-09-17T10:23:04.277659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072009
observed 1cbe30007869f573090ee28dcdef520b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:04.260188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072009/manifest.json
observed 2c7546ab2d5d9b246c9ca1b6d1116af0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:04.243345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072009/publication.md
observed 5853d72d280f1ac7eb4f52c2f3b95792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:04.225400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072009/publication.txt
observed d39afad193463972c46b5097e1b487c1...
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.