OpenTechnical

OT-2026-000068627

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum 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-2026-000068627) never changes.

Identity and time

Publication numberOT-2026-000068627 · never reused
Internal UUID01a0ae90-2482-7191-9057-4e80cf8ad389 · 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-2026-000068627
StatusPUBLIC

Content hashes

Canonical textbf09cf1fc2afdb7f7bfe5076f1be3d6461ab85f68641947eda37b25e11b77fac
Markdowna90786f4f28e8f6250dd1bb87894439c4bcd21eeef03d7fe26dc2f6aff32019a
PDF
Publication page7c835308f3a1440a7d042ff18b40df6dd1e8eb6b0304e020ccb3508f9a2c0925
Manifestfc5e882bd6ccdfbe44561ab2b2a05a4d81bd57290cd9e11ec3d292c5c268b694

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
SignatureEuiL6NVqRpXXBLd1MS3Ll6ixX/T//nKPBeV/m6azbqQgAotZORt9rxpb5+5yy5P4UdhQmo7GPf92j7+c5u5eBA==
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

2026-09-17T10:29:48.849101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068627
observed 7c835308f3a1440a7d042ff18b40df6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:48.830853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068627/manifest.json
observed fc5e882bd6ccdfbe44561ab2b2a05a4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:48.812979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068627/publication.md
observed a90786f4f28e8f6250dd1bb87894439c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:48.796248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068627/publication.txt
observed bf09cf1fc2afdb7f7bfe5076f1be3d64...
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.