OpenTechnical

OT-2026-000073541

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single 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-2026-000073541) never changes.

Identity and time

Publication numberOT-2026-000073541 · never reused
Internal UUID01a0ae92-efb9-7ce1-9cd4-fb3dd038e3ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073541
StatusPUBLIC

Content hashes

Canonical text24b1c0def5f2032d2578f8a82ec520aa1a44a7bc642af3904215a6f1a47a360e
Markdown50ede1ef908baff14a4608962b09bfbcdd9ee7014a4902f7ef1472a01db6b78d
PDF
Publication page167ff75b31db952eb1e07e6f7e660605dd71f6a9b7d72dd7f1f38f21f271ac44
Manifest49980c3e9949d1036bcc9abf50650caf5877fd380895fe80cc5945827c5e211b

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
SignatureJwAOmqT+0tl0XGcHnpWwf9bnZu/MH6C88ykhO2Odd3M5qNib5xqq7XaqjjePOlnx9IPHckZYerdDOxfs7EJFAg==
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

2026-09-17T10:21:42.877223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073541
observed 167ff75b31db952eb1e07e6f7e660605...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:42.859529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073541/manifest.json
observed 49980c3e9949d1036bcc9abf50650caf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:42.840934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073541/publication.md
observed 50ede1ef908baff14a4608962b09bfbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:42.823447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073541/publication.txt
observed 24b1c0def5f2032d2578f8a82ec520aa...
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.