OpenTechnical

OT-2026-000073633

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000073633) never changes.

Identity and time

Publication numberOT-2026-000073633 · never reused
Internal UUID01a0ae93-2b8c-785a-905e-e2c3edd667ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073633
StatusPUBLIC

Content hashes

Canonical text933da47c7b5fcf7e6ddd77363206f1a335d1738e03c5f12e6772acdfa36f003b
Markdownb46efbbbf8e02d66f3dcdd5629f11d49d743e829490860d7551ae3827fe69957
PDF
Publication page7e7b819824cc87d84236121dca2c97280ba59f654c7dcaf64c8283fcad1c91fe
Manifest472583f98797b3c29e255ba3cd0b9ffadfb7ca582bfd673264f97b52fcf66be1

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
SignatureZ5gL/vJ8k1dVVwWyXw5lqG5/M6d/NIUk3fh3hmSPWgSX3oaVdCdkeVP/RMj/0PZgc1g+7AuL45sYJP0IiHlXAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:40.588507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073633
observed 7e7b819824cc87d84236121dca2c9728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.570978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073633/manifest.json
observed 472583f98797b3c29e255ba3cd0b9ffa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.552526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073633/publication.md
observed b46efbbbf8e02d66f3dcdd5629f11d49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.532467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073633/publication.txt
observed 933da47c7b5fcf7e6ddd77363206f1a3...
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.