OpenTechnical

OT-2026-000084605

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump 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-2026-000084605) never changes.

Identity and time

Publication numberOT-2026-000084605 · never reused
Internal UUID01a0ae98-e25b-78c1-b83a-0e97d26f94dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084605
StatusPUBLIC

Content hashes

Canonical text4de98109fbf78e22ef53f571f4068099fec2e8b201025161b7d73170bb155fc1
Markdown34bc6af788fdf2f9d6b99d131afb6d1ae528b370924c6e03d830b2da19ecfaf9
PDF
Publication pagea21e90191082e13521466e852fcc624d72a0cbebe3bb714c47df0345aafd8750
Manifest03df04e246469d37276c3bd32c5866058b1d34073dc6c775d56a6ac03d054882

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
SignatureRBuRDZhiRVUuYrhI8zOa4VsMFhPB2GcDBUBcK/jgg2mGqOFxQCNpOwF/wE7ul1SKSXpBP6C7SPY//OIaVuLXCg==
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

2026-09-17T09:55:30.779120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084605
observed a21e90191082e13521466e852fcc624d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.760501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084605/manifest.json
observed 03df04e246469d37276c3bd32c586605...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.743516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084605/publication.md
observed 34bc6af788fdf2f9d6b99d131afb6d1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.726654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084605/publication.txt
observed 4de98109fbf78e22ef53f571f4068099...
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.