OpenTechnical

OT-2026-000087128

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000087128) never changes.

Identity and time

Publication numberOT-2026-000087128 · never reused
Internal UUID01a0ae9a-9f2d-772f-a17f-2c9a0d778562 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087128
StatusPUBLIC

Content hashes

Canonical text4e727d4491f8a4e2e96085c9a32525c87ed6a4a4681935cf763d3537cb72d681
Markdowned4900f6c1c08cbe3d1ccbe6fde31a310eb129c254f93d6dd83f9cba9b61b124
PDF
Publication pagec40152bb44be8d4677fb33dcb9ac2aad421ee3646ab7887c9b582928d8937e6d
Manifestf824b979cc5e1b6b3562d28776a8c6e89fac3c774a5f11102a94ded70c2cb00d

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
SignatureaVeOfIR17OSFCUAHnL1l8m3tQPUgbtsPOPOZH7tfZe7QmfFZj3X8lO1GvkpViJLCTOLMUkivyZMpwi6DCX0RDg==
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

2026-09-17T09:51:23.484766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087128
observed c40152bb44be8d4677fb33dcb9ac2aad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:23.468936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087128/manifest.json
observed f824b979cc5e1b6b3562d28776a8c6e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:23.452973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087128/publication.md
observed ed4900f6c1c08cbe3d1ccbe6fde31a31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:23.437108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087128/publication.txt
observed 4e727d4491f8a4e2e96085c9a32525c8...
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.