OpenTechnical

OT-2026-000039720

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000039720) never changes.

Identity and time

Publication numberOT-2026-000039720 · never reused
Internal UUID01a0ae78-d8d5-71b3-a910-8a28f41cd340 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039720
StatusPUBLIC

Content hashes

Canonical textae6f8f69e6870001d68163f4bc51ede91a502f71e365f60089dd780feb10dff4
Markdownb2218be31a34b735dcfab8f375f08fe4f55aaf028f2ab8325aaad342752fedc4
PDF
Publication page10a73c715cd1366ed08438811f00a799b1dff094a50bac56415cc35e40fab552
Manifest89252383a1f8f243640eabd8f2bd361a2ce2beb238c3b1cc24e1cb1b4139c839

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
SignatureMXSTAZdsE5EYlY9n57GcYj3WtcJJx/c6cnd0hLdQZtX9//FD1/5oVusf4nxLuPICMOTwrfzLvOehbXp1t84LAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:19:55.323174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039720
observed 10a73c715cd1366ed08438811f00a799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:55.303808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039720/manifest.json
observed 89252383a1f8f243640eabd8f2bd361a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:55.286199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039720/publication.md
observed b2218be31a34b735dcfab8f375f08fe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:55.266437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039720/publication.txt
observed ae6f8f69e6870001d68163f4bc51ede9...
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.