OpenTechnical

OT-2026-000070836

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, vented 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-2026-000070836) never changes.

Identity and time

Publication numberOT-2026-000070836 · never reused
Internal UUID01a0ae91-8c2d-7ac4-8c3c-ed5e333f50f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070836
StatusPUBLIC

Content hashes

Canonical text5d39f09cddb40200d7b4fc4aa24bbeda7d7c5a28064f85003f2cb83e8cb675f8
Markdown75bd190cf777afa5ed17145851dd55450e12b11aaec97311d4899d748071f850
PDF
Publication paged1efa6d5148cf381efbcea4ec37bfcc1b07fb7db0656ff9ec149a423e650e719
Manifestb9c28a3e23016352a107a3d4e59f5b1a19ca5ded3a3588bf6cda0462de794a95

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
Signaturesw75dFSvCNZ4LzXdeLGZwmf1h+vTaeo5UDAtCFMYol3TlCm5U9eD7R5Yr5a5qR4Y5Bl73VPZh4cZY7ck2+CwAw==
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

2026-09-17T10:25:39.167111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070836
observed d1efa6d5148cf381efbcea4ec37bfcc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:39.150367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070836/manifest.json
observed b9c28a3e23016352a107a3d4e59f5b1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:39.132645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070836/publication.md
observed 75bd190cf777afa5ed17145851dd5545...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:39.114940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070836/publication.txt
observed 5d39f09cddb40200d7b4fc4aa24bbeda...
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.