OpenTechnical

OT-2026-000073938

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, vented 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-2026-000073938) never changes.

Identity and time

Publication numberOT-2026-000073938 · never reused
Internal UUID01a0ae93-2b8e-7e91-923c-08ec9f5f3fb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073938
StatusPUBLIC

Content hashes

Canonical textbba32bac1e10f3f8b9b1912eb88d420fe51b4a3e4f166fda670a4906ac7562aa
Markdown9b6c6dbfe60e90edd01a56b974164b85ad49971686d91a45cb5f496b864c7834
PDF
Publication page62522b1294053a52934f06342ce328103ee5b2b5f86fdbd759782c296ece8640
Manifestc37d92a8b84bb3409212e6856725e52a3da9a6e2d474eb81ca9e8c7b0dcb369f

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
SignatureMAU3vSEGsROT5PWbzi/Sejnz4HNW3Oj6/wqXoHUUQifay18Pv5oJnajWT+oSl9Tgtd2L4n+gzSQYJ86oL6t8Dg==
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

2026-09-17T10:20:13.410958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073938
observed 62522b1294053a52934f06342ce32810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.390571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073938/manifest.json
observed c37d92a8b84bb3409212e6856725e52a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.368675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073938/publication.md
observed 9b6c6dbfe60e90edd01a56b974164b85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.348793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073938/publication.txt
observed bba32bac1e10f3f8b9b1912eb88d420f...
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.