OpenTechnical

OT-2026-000099437

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, manifold 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-2026-000099437) never changes.

Identity and time

Publication numberOT-2026-000099437 · never reused
Internal UUID01a0aea2-c974-74a2-8647-efcd56507ac7 · 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-2026-000099437
StatusPUBLIC

Content hashes

Canonical text85bfbc068c196b915d9d96e298d822cb339d69b36fc75b70ec2f5298cf4ae88b
Markdownab9f8dc53b40ae922522b17e43530a3a658ac66c7e9185ccb0e28df88a646d48
PDF
Publication page874f15a6dacdd43ea43d5b0bfe695a765f257fffab79314b005e90e1fcc089c4
Manifest15f034e3c3658214fa0d78daa7394dfa4aeca195ac54999a86297bcaf126f849

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
SignaturePky205u60DtMh6cod+SRS94nRRb05tMOasSCR2Uslvk7pPqP79ITW3FR2MTkIUfL5qBHuPqdr+GU4ek8A+ULAw==
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

2026-09-17T09:29:12.754186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099437
observed 874f15a6dacdd43ea43d5b0bfe695a76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:12.737004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099437/manifest.json
observed 15f034e3c3658214fa0d78daa7394dfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:12.718534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099437/publication.md
observed ab9f8dc53b40ae922522b17e43530a3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:12.698805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099437/publication.txt
observed 85bfbc068c196b915d9d96e298d822cb...
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.