OpenTechnical

OT-2026-000070732

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, vented 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-2026-000070732) never changes.

Identity and time

Publication numberOT-2026-000070732 · never reused
Internal UUID01a0ae91-8c2c-709b-b737-9f08adf6d813 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070732
StatusPUBLIC

Content hashes

Canonical text5f3f7bd39b1c75f9d5dd9de5e2dc95dea4dac77433f66c899fbb8ca2bf856427
Markdown42ecdabc27934383c9611fceec210cfd5872658552e39f0302c618074b9d4964
PDF
Publication page996d1e6c9fc78a446b8f4695014b42182cbb5d2558ff6ad58d02831acce928d4
Manifestf9197aa2f69514e8cdd34601be3c1d584f3adc5efdd067b5fe8d1b6669f78079

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
Signature4fSmZY4G/eP09u2GBRaDfnSjCfBNqIdgnK7uOpPP78/8pft+iQ8S5tK0tT1rTx36Ztt3uGX2L7A4UPbr9s06Cg==
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

2026-09-17T10:25:25.777818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070732
observed 996d1e6c9fc78a446b8f4695014b4218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:25.755648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070732/manifest.json
observed f9197aa2f69514e8cdd34601be3c1d58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:25.738343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070732/publication.md
observed 42ecdabc27934383c9611fceec210cfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:25.720736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070732/publication.txt
observed 5f3f7bd39b1c75f9d5dd9de5e2dc95de...
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.