OpenTechnical

OT-2026-000047830

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000047830) never changes.

Identity and time

Publication numberOT-2026-000047830 · never reused
Internal UUID01a0ae7f-c421-781f-b6c4-240163dd65a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047830
StatusPUBLIC

Content hashes

Canonical textb5ad047a363efab1a3585e3e2d8871e5b24e8252ebfb706c41245788132e2aee
Markdown06b4e82f243425f64ca281508ab46173c0892c35cddfc18c8a74ab7d01b54cb6
PDF
Publication page6c0c1c88468ee8e1778f60c36b385b5587db6236ddbb40fe09b38eb563483403
Manifestd69d543ec922935a920efc11dbd5e4e4f881a9fe1ae61c43fac888fe6c4eb671

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
Signature6q32xgccv3VB9P0I2YywoS3awndiqNid9yRBzyY+sHNrb1zkRQRImLTKb3sRUh8kIb4+3EzrQsr0gEtyAqF7Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:05:44.604384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047830
observed 6c0c1c88468ee8e1778f60c36b385b55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:44.585026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047830/manifest.json
observed d69d543ec922935a920efc11dbd5e4e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:44.566042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047830/publication.md
observed 06b4e82f243425f64ca281508ab46173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:44.547864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047830/publication.txt
observed b5ad047a363efab1a3585e3e2d8871e5...
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.