OpenTechnical

OT-2026-000041718

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000041718) never changes.

Identity and time

Publication numberOT-2026-000041718 · never reused
Internal UUID01a0ae79-e8a1-75db-994c-81039c7ba079 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041718
StatusPUBLIC

Content hashes

Canonical text967226e23f35dd552b575bd526ada6c710f09a0067f973cc3930d214f55cf85d
Markdown845b1684f51899101a53af324a76e29c7ba6b44a3c6f42a559745d962aec63ac
PDF
Publication page4ed0002c1558b33a0bb5e68ebec78539f43c2b3cdf9e1074da00433c9e599249
Manifestff95fff2b0df18c14b17a8c10c10aa3727b0b85edac0dcce5252a28724aa79be

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
Signatureh5DywFL37GZikYhkdGTHMQHVPUkh6Oveyl974Y5g2n+3sAVOtSvXxOlmr6ESQ47CZH8Mep9H7vkfG5gnP6VoAA==
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

2026-09-17T11:16:33.423548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041718
observed 4ed0002c1558b33a0bb5e68ebec78539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:33.406860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041718/manifest.json
observed ff95fff2b0df18c14b17a8c10c10aa37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:33.390924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041718/publication.md
observed 845b1684f51899101a53af324a76e29c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:33.370529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041718/publication.txt
observed 967226e23f35dd552b575bd526ada6c7...
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.