OpenTechnical

OT-2026-000062507

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000062507) never changes.

Identity and time

Publication numberOT-2026-000062507 · never reused
Internal UUID01a0ae8c-0ac0-7199-aacd-77c51c1add88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062507
StatusPUBLIC

Content hashes

Canonical text2ce6442ceb8129c3c523331397e7ffef3204166a33a98334d52b3f14b86e903f
Markdowneca9f47478427986ce59e36f77f85db28b05f219bb0471f7fe39c61aeb8d40d7
PDF
Publication page84512eda8e5ba942e87ca166b9ac6d43b58ec8668eef764d72ee31db1ee180fe
Manifestc653f635f3f154d8b8598bbed482a156f983fddf95bca496c4264eff3325da7b

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
SignatureXWqWxMMs0pg7RUk/mEdMgZjTKYx0sSH8oelKrfM8fP5En7jjPMZWh76v7tNbxg1mnwJLRlJIJOw8SH3cdGxMBQ==
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

2026-09-17T10:39:57.394024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062507
observed 84512eda8e5ba942e87ca166b9ac6d43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:57.372876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062507/manifest.json
observed c653f635f3f154d8b8598bbed482a156...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:57.351162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062507/publication.md
observed eca9f47478427986ce59e36f77f85db2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:57.330366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062507/publication.txt
observed 2ce6442ceb8129c3c523331397e7ffef...
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.