OpenTechnical

OT-2026-000029607

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed blow-off before 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-2026-000029607) never changes.

Identity and time

Publication numberOT-2026-000029607 · never reused
Internal UUID01a0ae73-5e22-726e-a97d-917ad163cf27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029607
StatusPUBLIC

Content hashes

Canonical text364212cdd2de576ef043d7e4a8c72e92c146260f4e6d54397231f93aa0de96e5
Markdown21a7efebeccb1199a00f019cd27dba9b8078b757784c2384cdcb5a03bd4b79af
PDF
Publication page3c004c3366ee8ebdae3b11844eac356290e0075080f6dab29f5c9e3a2aa4f9f6
Manifesteb5033ca99c87b645bf4a26570562f580b09fd29242167fbe2c0fc950015e1ef

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
SignatureRDTYUcVLOK5FUe7yKsOwzlTKYuQUksPrPwqUlgYzBuosR4OVIZs8bnVRyk41D618tA0AuvWGHKRprDoRBAMKCw==
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

2026-09-17T11:39:11.916205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029607
observed 3c004c3366ee8ebdae3b11844eac3562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:11.898852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029607/manifest.json
observed eb5033ca99c87b645bf4a26570562f58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:11.881130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029607/publication.md
observed 21a7efebeccb1199a00f019cd27dba9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:11.861876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029607/publication.txt
observed 364212cdd2de576ef043d7e4a8c72e92...
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.