OpenTechnical

OT-2026-000077013

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000077013) never changes.

Identity and time

Publication numberOT-2026-000077013 · never reused
Internal UUID01a0ae94-b071-7479-a800-0d2debeb39b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077013
StatusPUBLIC

Content hashes

Canonical text9c6c90021e620e2d1ca4ba9212883a734abc873f76e7a49b2b02c946f8e1e416
Markdown0a0600b80469cbe37a1f4695291116f12f75da923d2fa4e3dacef5fd2c0fd8fe
PDF
Publication page174b06ce06f0c80c863cbb6fa57dcca58b6a9470b8e08251b59833edf547852e
Manifestfc40736fc1f993f12bcc66997495b8f3514c19c067294c98d409a2de9dadba91

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
SignaturemSDqNtzQQUCEPwcqrRHTYAWTFyh5yD3/Rlk35UohOpEpuP/UShCTpyTQuwrRLlmEptVdsRe8htoXZrt4fb+zAg==
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

2026-09-17T10:10:23.256889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077013
observed 174b06ce06f0c80c863cbb6fa57dcca5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:23.237422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077013/manifest.json
observed fc40736fc1f993f12bcc66997495b8f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:23.217243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077013/publication.md
observed 0a0600b80469cbe37a1f4695291116f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:23.196875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077013/publication.txt
observed 9c6c90021e620e2d1ca4ba9212883a73...
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.