OpenTechnical

OT-2026-000003786

Publication integrity record

Bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed

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-2026-000003786) never changes.

Identity and time

Publication numberOT-2026-000003786 · never reused
Internal UUID01a0a90b-0e17-786c-bec1-589bbe33693f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:49.146795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003786
StatusPUBLIC

Content hashes

Canonical text3a579ba5cac8e94d6f3a37e0faa2c50fd332ecc91469f28d52ec68b53ef3a807
Markdown0ad07e11e3b8f04990789741daba5011f6380557f1edf821eb490f284a2cc5f1
PDF
Publication page12a9c776be88c954dc49cf0063308f34d8f5b0ffbdd42eaa1795c8db332d8ad9
Manifest28d6c946c20478ed7b331171c569f5c9a34b126220be3c5cc7b3d16dad2e8d23

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
SignatureyJNc9HCANYzpviSVcnN85zMuwy76Aev13MJGMu+g2vcSOEFiCtlDzmdTnzBWwGS098tgvGznC0NHAdDu55XvAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:20.429992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003786
observed 12a9c776be88c954dc49cf0063308f34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:20.416491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003786/manifest.json
observed 28d6c946c20478ed7b331171c569f5c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:20.403962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003786/publication.md
observed 0ad07e11e3b8f04990789741daba5011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:20.390138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003786/publication.txt
observed 3a579ba5cac8e94d6f3a37e0faa2c50f...
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.