OpenTechnical

OT-2026-000074684

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000074684) never changes.

Identity and time

Publication numberOT-2026-000074684 · never reused
Internal UUID01a0ae93-ac2b-7e96-b71a-132b849445c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074684
StatusPUBLIC

Content hashes

Canonical textdb230242eeb8d91040b9be43abcd90c9feaec20f1e1d854f66cd91025bb3d86e
Markdown4086fd10cfbdf4132b9ab7ea0eb2616dfcf2fa562d30c6227e37df0e9d7f12e4
PDF
Publication paged5f30a5c99ac9f1e5330c40f16e9c593057695ea0c98d10b78aebaa9d3305832
Manifesta98a7543c17fcfa6c730c5b6cd6461e89915d12d0e0c6a3c041e6015c23e96bd

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
SignaturevhTxc0Jb9WadCW5QwXnL19DYtU022zZmW+Ic4JNpwEAyMXeRIyk8qthErm4eyIJv4mfut2AcbwISrvnYgQJmBg==
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

2026-09-17T10:18:16.154311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074684
observed d5f30a5c99ac9f1e5330c40f16e9c593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:16.135969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074684/manifest.json
observed a98a7543c17fcfa6c730c5b6cd6461e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:16.117437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074684/publication.md
observed 4086fd10cfbdf4132b9ab7ea0eb2616d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:16.099480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074684/publication.txt
observed db230242eeb8d91040b9be43abcd90c9...
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.