OpenTechnical

OT-2026-000085634

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum 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-2026-000085634) never changes.

Identity and time

Publication numberOT-2026-000085634 · never reused
Internal UUID01a0ae99-aaad-713f-b2db-a28a2ff0bef3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085634
StatusPUBLIC

Content hashes

Canonical text88b24f926bcbe3bffe41359b5ed9d86696aaaed70342b18669cacbe7524dcc87
Markdowna50bbb62d8449ca97e3fbaa51481948c509bc9c1068dbd8d3d471b49a93576fa
PDF
Publication paged80447cdb53849d2a2ce8ed2470afb457b838cda51a87a98997f6305e0e41001
Manifest894d8aec09db3d25289e9495127a653950b09f877b3561737ec92a31d0c0e5a0

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
SignatureNzsshnmEwvhEhyochIy1cwUylVqs28DtRLtOn3IN5gKxeS6fVlYhT782WuZldLoPFoYGgVehssZifQKSY5h4Ag==
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

2026-09-17T09:54:31.131426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085634
observed d80447cdb53849d2a2ce8ed2470afb45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:31.111013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085634/manifest.json
observed 894d8aec09db3d25289e9495127a6539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:31.093698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085634/publication.md
observed a50bbb62d8449ca97e3fbaa51481948c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:31.074803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085634/publication.txt
observed 88b24f926bcbe3bffe41359b5ed9d866...
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.