OpenTechnical

OT-2026-000088789

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000088789) never changes.

Identity and time

Publication numberOT-2026-000088789 · never reused
Internal UUID01a0ae9b-8f10-7d3a-a916-7c329387a6a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088789
StatusPUBLIC

Content hashes

Canonical text3f8d74deaff9955150332385ded96f0832fcc78494dff959b7d14763358db398
Markdown7a7bfbaf2162aa9ed9c0791d8b1bfeef275a6f403956fab56cadd8c0c23a05aa
PDF
Publication pagef8377ad96b27dd75d17c81843e741de580281778c5c4cbe9dbcf7f541dd06c53
Manifest537a5ea53ea87752a373e08e51fe311b77245f1ea60b1ba885c2c2cb38f7fbb7

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
Signatureea62l7thf1hcD/rCLjjYCrGzcwMAUe6tgXPzLVL0yBeZbpGOJBl7X7uT3bCOtXbA9iTbGEgOxM1Za0toDKp2Cg==
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

2026-09-17T09:48:10.073656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088789
observed f8377ad96b27dd75d17c81843e741de5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:10.055493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088789/manifest.json
observed 537a5ea53ea87752a373e08e51fe311b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:10.034448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088789/publication.md
observed 7a7bfbaf2162aa9ed9c0791d8b1bfeef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:10.015869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088789/publication.txt
observed 3f8d74deaff9955150332385ded96f08...
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.