OpenTechnical

OT-2026-000099843

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000099843) never changes.

Identity and time

Publication numberOT-2026-000099843 · never reused
Internal UUID01a0aea3-1473-7dc0-8d5f-bd18214338f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099843
StatusPUBLIC

Content hashes

Canonical textf86117defd8b7ed5b0111d72722bf9f24b5106d19d55b87061c258cfff3fed51
Markdown477e53599f0b0f8aec286f10349a3beac093a0af78a3a0dd70174a2e9437ed76
PDF
Publication page12f5a894846147755a3096b846924180ed4bae5a6543e359df04be4284753e6a
Manifest8f136fccc80b6066690de5bce19b1717e927672b8b86dc0943efc67450940767

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
SignatureE3BKDDCXk/+h/s2ehha4fCg/NHkX1oQ/LAcZDAEMs4/gKZpJ1WeDWBPdB6G2NiesnBh0CZSzeFH/bhAlK4HIDw==
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

2026-09-17T09:30:20.762055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099843
observed 12f5a894846147755a3096b846924180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:20.737961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099843/manifest.json
observed 8f136fccc80b6066690de5bce19b1717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:20.715942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099843/publication.md
observed 477e53599f0b0f8aec286f10349a3bea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:20.697818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099843/publication.txt
observed f86117defd8b7ed5b0111d72722bf9f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:42.830752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099843
observed 12f5a894846147755a3096b846924180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:42.809662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099843/manifest.json
observed 8f136fccc80b6066690de5bce19b1717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:42.789613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099843/publication.md
observed 477e53599f0b0f8aec286f10349a3bea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:42.771158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099843/publication.txt
observed f86117defd8b7ed5b0111d72722bf9f2...
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.