OpenTechnical

OT-2026-000071609

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000071609) never changes.

Identity and time

Publication numberOT-2026-000071609 · never reused
Internal UUID01a0ae91-e0ef-704c-9d96-2aa0dc5f9a85 · 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-2026-000071609
StatusPUBLIC

Content hashes

Canonical text1965452b2987dc70fe6cc89c2af2806c9b2702200e7f378425097953d6a7976a
Markdowne69e418754ed6c7fb04661ad6ad5e7ee14743803442032c5c0dc56135f818afd
PDF
Publication page5043cab309ccbfb62c371f7b6336df86f22fe5818545dbfc5432e85b46d46dc4
Manifest128bf3231a4b3fcb7d0999116cd21c7e012443ca6c376cd5bf7248790658049a

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
SignaturelrmJSSdDG47/QRTa185clB7qgJ6kQGsn/Uy+/UguI9hBaq1lp7XfcfBNBC+ctdVhfoEGfNFy49Dlwi8xcM1EBQ==
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

2026-09-17T10:25:15.677240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071609
observed 5043cab309ccbfb62c371f7b6336df86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:15.657859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071609/manifest.json
observed 128bf3231a4b3fcb7d0999116cd21c7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:15.642310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071609/publication.md
observed e69e418754ed6c7fb04661ad6ad5e7ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:15.625305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071609/publication.txt
observed 1965452b2987dc70fe6cc89c2af2806c...
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.