OpenTechnical

OT-2026-000072038

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000072038) never changes.

Identity and time

Publication numberOT-2026-000072038 · never reused
Internal UUID01a0ae92-47c1-790d-bd24-b7020e8acf42 · 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-2026-000072038
StatusPUBLIC

Content hashes

Canonical text46665a1b1f164c552884fb993396b099ee88b65942e4c5d9b0356bd32c14be07
Markdowne57229cfd566c04da8f2bef7e7546c07cfb500f218381eefb3b4a886b9a0be8b
PDF
Publication page3938142c9ec3349919e9386c46017012a04c92bc8f2f07801fde39c6c42b5840
Manifest7a084c2c2cbf17214cef06c2ae81646e699f2e90027f97377f6b6e586909b0b0

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
SignaturetCOGbHLX9l2sdj1HfBgeSAqtQOU0EFZ2HkimxUiQBN2Tlqi+9B7jO8Q0nrdS0+EwcaLKMO/KeDFnJ9hHCBlQCw==
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

2026-09-17T10:23:06.190843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072038
observed 3938142c9ec3349919e9386c46017012...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:06.174127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072038/manifest.json
observed 7a084c2c2cbf17214cef06c2ae81646e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:06.156879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072038/publication.md
observed e57229cfd566c04da8f2bef7e7546c07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:06.140568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072038/publication.txt
observed 46665a1b1f164c552884fb993396b099...
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.