OpenTechnical

OT-2026-000102575

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three 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-2026-000102575) never changes.

Identity and time

Publication numberOT-2026-000102575 · never reused
Internal UUID01a0aea4-858a-7404-9394-d8a6f7faa44c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102575
StatusPUBLIC

Content hashes

Canonical texta78af56508a94c754b692dc4009fee9424e26a17d65dc51f968a9602327302eb
Markdownb7a345df01962b01525d7b35052d916889f4f37c1bbce3bcd14213e5b693e7e1
PDF
Publication page113cde4aac241edfefa7f4b9b99ab88053b822183c471ed5bb3981597f00dca7
Manifestc6eebac7407385501dbc2f69f9c84949a9673fe2f3beb57b7f5543df89b9ee0c

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
Signaturefaa+LNRNol5peqqjfSaU5G8ZBm5D59OkDx7vr/DxL4XhWgMn3uBkklPFCPRWv5g0AshFd+Mjmy4cGM+iqFbhCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:03.581258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102575
observed 113cde4aac241edfefa7f4b9b99ab880...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:03.561991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102575/manifest.json
observed c6eebac7407385501dbc2f69f9c84949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:03.544990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102575/publication.md
observed b7a345df01962b01525d7b35052d9168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:03.527971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102575/publication.txt
observed a78af56508a94c754b692dc4009fee94...
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.