OpenTechnical

OT-2026-000091996

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, sustained blow-off 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-2026-000091996) never changes.

Identity and time

Publication numberOT-2026-000091996 · never reused
Internal UUID01a0ae9d-43bb-79b0-a50e-25cbf7213b98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091996
StatusPUBLIC

Content hashes

Canonical text448580df3847d37a75fba7bb525cb9eb7e13d1879679c61e4caac8d4509c833b
Markdown000198b7df8680b405704acf255e2ff657701fa93416887c4f419111fe507231
PDF
Publication page4c2bbb1a6b6a5ca7ede0fd1a0a255f6fde7a92d0ad0a96732e4f00a78f4f3847
Manifest0da0184eb12d44f68415db06e4ed3ee4f948ce2fec69e83ccd12eca09132e048

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
SignatureubFvPvuWdG1wP3t8o1jBbPDkutx6wzg+YRtpOOdA/32Z8UtZxv3CDla+2fWApDP+QpCLvzdx8H5QBCDsV4CJCQ==
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

2026-09-17T09:43:00.134718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091996
observed 4c2bbb1a6b6a5ca7ede0fd1a0a255f6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:00.107389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091996/manifest.json
observed 0da0184eb12d44f68415db06e4ed3ee4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:00.079023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091996/publication.md
observed 000198b7df8680b405704acf255e2ff6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:00.031028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091996/publication.txt
observed 448580df3847d37a75fba7bb525cb9eb...
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.