OpenTechnical

OT-2026-000081487

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, 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-2026-000081487) never changes.

Identity and time

Publication numberOT-2026-000081487 · never reused
Internal UUID01a0ae96-f375-7786-a2d7-eebe23461447 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081487
StatusPUBLIC

Content hashes

Canonical textc6886cccb333c4d8f2bc88acff905b4767afb14f3ecdaca241fe02e76133b002
Markdownfbc5485eee31330c236ec3a0b4321c8efc1a294a9b2408d5a09707b5ddb2336b
PDF
Publication page078a03e361b12ce4c6652280f213b35c3bb9ac771e95aba52abd4b8f5df661b4
Manifestf47bdc63e684adf516f40df4f1067b5a7f1b10cfe77a7be2c02999e1db7b65de

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
SignatureRWxXDiYY8o88wonypVYGSfrRE3v3zwY/KpbGOaQFw9BGjOyt1h28nM0JsLfzvyBcSSlbsbczQx9nbKPXdY5lCA==
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

2026-09-17T10:01:39.351180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081487
observed 078a03e361b12ce4c6652280f213b35c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:39.333919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081487/manifest.json
observed f47bdc63e684adf516f40df4f1067b5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:39.316317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081487/publication.md
observed fbc5485eee31330c236ec3a0b4321c8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:39.299133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081487/publication.txt
observed c6886cccb333c4d8f2bc88acff905b47...
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.