OpenTechnical

OT-2026-000101923

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pulsed blow-off after 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-2026-000101923) never changes.

Identity and time

Publication numberOT-2026-000101923 · never reused
Internal UUID01a0aea4-50f1-7864-8942-8e5213513850 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101923
StatusPUBLIC

Content hashes

Canonical text05afcf43f4e09c5870180ce94a4acc83248b10ffb042edadcbf9d275479cad5d
Markdown4dd2cef303b1c08ea58a8acdeb9fd0c7721ab70fc363a9b1ef1e090e4f343b28
PDF
Publication page4e395342c21660c8d1b51a5decd3f08a83ea2ba1b76c2c2e8b782ffd7a3b4ab4
Manifest86af97a3958ea67c727c51c7ecce7e17dc21ac1bb206ef80eaac0bf4d06164bb

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
SignatureTDC2yM5Z3YSmx22GOKVpJ5wLFfXzRnWk9JSyd1/BzNcCPXj90O82Z701P6tIF1nYZQ6uPjid4gwjYz+uNp8yDQ==
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

2026-09-17T09:25:01.999454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101923
observed 4e395342c21660c8d1b51a5decd3f08a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:01.979359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101923/manifest.json
observed 86af97a3958ea67c727c51c7ecce7e17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:01.959336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101923/publication.md
observed 4dd2cef303b1c08ea58a8acdeb9fd0c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:01.939195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101923/publication.txt
observed 05afcf43f4e09c5870180ce94a4acc83...
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.