OpenTechnical

OT-2026-000097027

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, 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-2026-000097027) never changes.

Identity and time

Publication numberOT-2026-000097027 · never reused
Internal UUID01a0aea1-01c9-7459-bf94-96c613672e1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097027
StatusPUBLIC

Content hashes

Canonical text098998b9245a56f03e7d201c163ea935649cdfa24ee2a2247bdee0994912bdec
Markdowndcf7dce832a22aa0243d5d1451cef9146cb884dede8b9d21e8f750992577cdab
PDF
Publication page432b004c8cfe0eeb8d3ede6798a2eb52f41f5a73c2cfece06705d5599897a6c3
Manifest662cb6cc0b6ac378bc81f42a272816d7a7c1574fba682b53c9bcfa8626f38d01

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
SignatureHCXtsolFCpsxAmWbCAg4K6V/6IbWjYZ1eNSuPptkMcHGSr7/4eTdqPg05V2gM9KZxxqAwAUjDYs8ZbQ8H3pODw==
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

2026-09-17T09:10:31.954228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097027
observed 432b004c8cfe0eeb8d3ede6798a2eb52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:31.935975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097027/manifest.json
observed 662cb6cc0b6ac378bc81f42a272816d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:31.918873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097027/publication.md
observed dcf7dce832a22aa0243d5d1451cef914...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:31.900464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097027/publication.txt
observed 098998b9245a56f03e7d201c163ea935...
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.