OpenTechnical

OT-2026-000091495

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000091495) never changes.

Identity and time

Publication numberOT-2026-000091495 · never reused
Internal UUID01a0ae9c-f16d-73e6-906d-a2108bbe2d5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091495
StatusPUBLIC

Content hashes

Canonical textfac6c2dd67a8286f652e56ce42daf60f90a9a95c60e2d7161f140e1964e95539
Markdown82dacad3500bb501feaa467731f4f02d22153529fb91f432954baf5ac2ad342b
PDF
Publication page29a2d8c94123e74824140f03032fe9c153278b2408ca0a93912f773f34852067
Manifest24d5a6cad585d8f917f7111eddc6b8d08d6dcb5c10ececea3415273ed34323e4

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
Signature3NwOPqSBH4FxF/VAb1DdPqJ24nr6vWJZbJ0c5Cp7TigEkBFiBzwdB/YHqznoj7nQaRcJ8DsEHPU9d9dn6AqOCQ==
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

2026-09-17T09:43:45.346722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091495
observed 29a2d8c94123e74824140f03032fe9c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:45.329308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091495/manifest.json
observed 24d5a6cad585d8f917f7111eddc6b8d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:45.311725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091495/publication.md
observed 82dacad3500bb501feaa467731f4f02d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:45.294831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091495/publication.txt
observed fac6c2dd67a8286f652e56ce42daf60f...
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.