OpenTechnical

OT-2026-000042648

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, pulsed 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-2026-000042648) never changes.

Identity and time

Publication numberOT-2026-000042648 · never reused
Internal UUID01a0ae7a-c0ce-7423-9a9a-341c0322b8e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042648
StatusPUBLIC

Content hashes

Canonical text3fbb46f04436a5357fa740f7e978076ba0d00aaa56d81f03a67f5064eec6b51c
Markdownecce8e76ddb8dcfad8d9697d007b892240e3d241bac7cfadf0bbf5e0e5bdcb5b
PDF
Publication page690594205ea7a7ae7eaf792f00ae34f1b1e8a934169868cd80cddffd6d441fb7
Manifest1a549dc08c1053a675d23fc4f1222eb6b4a1f6a770c12621d910e229825ef5d2

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
Signature6qnRrK5QBhhfiYj4WF5XVyt9mELyYac4ZwJdQZFdg9aDuI9v9bMvX1wOyfYZA+Ccpop95eTG0GMD3T88Y1aUDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:14:23.249714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042648
observed 690594205ea7a7ae7eaf792f00ae34f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:23.230172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042648/manifest.json
observed 1a549dc08c1053a675d23fc4f1222eb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:23.212931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042648/publication.md
observed ecce8e76ddb8dcfad8d9697d007b8922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:23.192636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042648/publication.txt
observed 3fbb46f04436a5357fa740f7e978076b...
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.