OpenTechnical

OT-2026-000074207

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two 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-2026-000074207) never changes.

Identity and time

Publication numberOT-2026-000074207 · never reused
Internal UUID01a0ae93-7178-7027-844d-9b283315904b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074207
StatusPUBLIC

Content hashes

Canonical text7fc893e933d7b510a55b283a523b61557b32fa0a05d7b8e2ecfd19b40090f6b2
Markdown0ca946db0874af728f1b37c1395824ef22cf075863caa36f58b5041173bf64e4
PDF
Publication page5c0cf3c3bfe1ede5887493c7319079cec32659d4b46dd4802928ce4ef67a11f9
Manifestefbdfae662d1db2e6badef0f9c886ca6f406fcb2ecfdbfb6933499117622ed31

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
Signaturef0IXBpagAWVTSy/hgOX4EhRU8lRzbQNCJ9gpfsxKwqNdzwZd3KqxYf1er9iPOHFTirt4gREx1/tmXZSKuLluBg==
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

2026-09-17T10:19:03.845002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074207
observed 5c0cf3c3bfe1ede5887493c7319079ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:03.825652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074207/manifest.json
observed efbdfae662d1db2e6badef0f9c886ca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:03.806910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074207/publication.md
observed 0ca946db0874af728f1b37c1395824ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:03.787851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074207/publication.txt
observed 7fc893e933d7b510a55b283a523b6155...
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.