OpenTechnical

OT-2026-000003806

Publication integrity record

Porous face vacuum gripper, two zone face, per zone isolation, ejector fed, contact triggered

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-2026-000003806) never changes.

Identity and time

Publication numberOT-2026-000003806 · never reused
Internal UUID01a0a90b-1cf9-7a09-8c05-0e4a02fb9576 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:52.955376Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003806
StatusPUBLIC

Content hashes

Canonical text995feadb960e0f54e7b24a9f5bb4d2c3c3bf3c5e990faa1f6d417a425173bce2
Markdowne8495b00266f14ab4f8a3491cdd153947944db34c66f4cfe16e6bf470814601b
PDF
Publication page1e293371497a933de4bee258a33732aaa2b6ee767290a1adb02508592529ce13
Manifesta7cee260cf1ec792ef5f5f053ce2760696f69953fafbf947a58134c773ebcdf6

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
SignatureWmEPqsRxgODPJtwjb9F7bTLZQPZguEXwtWAmxBlvdXxtKW9WLUa1C4AC6EDJ1CXaznh90kenV1vwcG0fAIp0Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:19.246889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003806
observed 1e293371497a933de4bee258a33732aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:19.234115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003806/manifest.json
observed a7cee260cf1ec792ef5f5f053ce27606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:19.218650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003806/publication.md
observed e8495b00266f14ab4f8a3491cdd15394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:19.205315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003806/publication.txt
observed 995feadb960e0f54e7b24a9f5bb4d2c3...
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.