OpenTechnical

OT-2026-000099738

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, 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-2026-000099738) never changes.

Identity and time

Publication numberOT-2026-000099738 · never reused
Internal UUID01a0aea2-c977-7a8a-8475-fc79bfdc2cfe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099738
StatusPUBLIC

Content hashes

Canonical text3e1d9bb4f6d7cf8fc0914b2009119634767c5d00e199148e11ee4455774d6d80
Markdown7671985d87851fc01f2f983dfb2bcf05788b2c6725ba3031104c3cc9faef3cc7
PDF
Publication page831c0c5c513f370d48a5d5b63439283f1346e3c7b435c97412e50ff1160465af
Manifestd5ea03f0776aa04cf0c0f143a3120475bf5ed16a2d71010210bd330e17f91201

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
SignatureY1wrbdEHbbUCW5B20GbIxTNzck4H3xURAh3HzfP6DIGqwrBB18UiOzJP2ihPVFhqc/OlZZG5Flv9TdeM6ZEjCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:45.607349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099738
observed 831c0c5c513f370d48a5d5b63439283f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:45.591935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099738/manifest.json
observed d5ea03f0776aa04cf0c0f143a3120475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:45.574834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099738/publication.md
observed 7671985d87851fc01f2f983dfb2bcf05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:45.557834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099738/publication.txt
observed 3e1d9bb4f6d7cf8fc0914b2009119634...
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.