OpenTechnical

OT-2026-000074818

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented before set-down

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-2026-000074818) never changes.

Identity and time

Publication numberOT-2026-000074818 · never reused
Internal UUID01a0ae93-ac2c-75a6-a796-0f1f656fba75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074818
StatusPUBLIC

Content hashes

Canonical textee9f3b070cc829cbeaf81a3d15b995506ae76e3daa90462b0f04a03e36bbce44
Markdown7ff8fca06c82eacc3abaa81241e85089649331de639ec42fbb3e6dfab2671558
PDF
Publication page0a8fa5b82eac81e034713c92667300154dadb6d491fa0e48d6fbbf65c51894ca
Manifest90c504e7b5b3500e55ed732587f177f56854957c8ffcc8774aa77d85ef713f6d

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
SignatureHprFJl/pKZ2rohR1AmzGVWf+d8csc2MXUb1kxyUKStYzLI6IxU9mLpxtdI5aq/0D0SM/7GJT5MtWUbZCUcBKDA==
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

2026-09-17T10:18:31.590095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074818
observed 0a8fa5b82eac81e034713c9266730015...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:31.573483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074818/manifest.json
observed 90c504e7b5b3500e55ed732587f177f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:31.556311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074818/publication.md
observed 7ff8fca06c82eacc3abaa81241e85089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:31.540145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074818/publication.txt
observed ee9f3b070cc829cbeaf81a3d15b99550...
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.