OpenTechnical

OT-2026-000077766

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented 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-2026-000077766) never changes.

Identity and time

Publication numberOT-2026-000077766 · never reused
Internal UUID01a0ae95-2ed0-7e1e-b3a2-2c114d98eb0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077766
StatusPUBLIC

Content hashes

Canonical text900d3222696eb3315f433cc904786d7b561ff64a843c287d8895686ea827823c
Markdown7a1589b54ec02d1b4bfc125b5c5f54a3fd9584d4e1278a75f30f876c906c70f1
PDF
Publication page199e14fdbf9c997f5fb3753e63d0545a03d331e634bcd9c3d54368f884429ef5
Manifestec146ac9236041455d9de9ba2ce6fe2a85884a5820c16f397843cf577c8728e8

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
SignatureVd7fHA1QbqPuFe5JkMlsO9em3BWfwedrIJ6d4EE7nW+60zyT3jP3zJdwJ1kJjtVmcCg9HBXDPu+8RdtlpkoyDw==
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

2026-09-17T10:07:20.965987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077766
observed 199e14fdbf9c997f5fb3753e63d0545a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:20.947077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077766/manifest.json
observed ec146ac9236041455d9de9ba2ce6fe2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:20.923540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077766/publication.md
observed 7a1589b54ec02d1b4bfc125b5c5f54a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:20.903204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077766/publication.txt
observed 900d3222696eb3315f433cc904786d7b...
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.