OpenTechnical

OT-2026-000068663

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000068663) never changes.

Identity and time

Publication numberOT-2026-000068663 · never reused
Internal UUID01a0ae90-2483-7808-a503-9f344b9f1a91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068663
StatusPUBLIC

Content hashes

Canonical text7922ec33c39cd46c06e897495760598a94c4215ccaebbced79d8ce04ba2b851e
Markdown7db4c7d59c9d484606fe7874233534d162e874234445d17f3ecdbe44fe1947c5
PDF
Publication paged35fe3ec079b71ab05f83475196b04eec2e469860c2bdbbe0e336b74fe224b61
Manifest3453cc127cbca6fbc009fd66f868bf6a50b3f0bb4d0c20b274f873709d81e4a2

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
SignaturedTA3/ptlC4nROdp8Gd/gz2SZ5JhjAt9L5v5jjSVF7Vnv7AuwgXLfjJM3BNYHcLvI+ni6uISSeR6/5fDv6jiuBA==
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

2026-09-17T10:29:51.681474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068663
observed d35fe3ec079b71ab05f83475196b04ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:51.665366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068663/manifest.json
observed 3453cc127cbca6fbc009fd66f868bf6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:51.648487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068663/publication.md
observed 7db4c7d59c9d484606fe7874233534d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:51.631172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068663/publication.txt
observed 7922ec33c39cd46c06e897495760598a...
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.