OpenTechnical

OT-2026-000078714

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000078714) never changes.

Identity and time

Publication numberOT-2026-000078714 · never reused
Internal UUID01a0ae95-ccbc-7fe1-84e8-294e11cd4499 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078714
StatusPUBLIC

Content hashes

Canonical text5460b6cae7d4a0228cb419372896af3a2c223b3664d4c9cb0341b8be00f0093e
Markdown9b87e99af8a4f799d1eadcfa58c750440bec61044f5e229cc999e40485d9fac3
PDF
Publication page8289f444917e6ad149885a2015eed6461184e234f72520823f9de7b248faf3a8
Manifestacb364790bf6b79ba4705477884e62e08c1fe4a83e2f1213e8a85af47527ffcf

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
SignatureaC2bt51iZH1CnNRCmbW3dSr6qGqhRlc5RxrQOgEecT7r/ujJOPs5TTFcnzy5oHaPJbT+/j/3edvYrQcG9xCfDA==
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

2026-09-17T10:05:29.751387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078714
observed 8289f444917e6ad149885a2015eed646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:29.732240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078714/manifest.json
observed acb364790bf6b79ba4705477884e62e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:29.712966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078714/publication.md
observed 9b87e99af8a4f799d1eadcfa58c75044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:29.693685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078714/publication.txt
observed 5460b6cae7d4a0228cb419372896af3a...
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.