OpenTechnical

OT-2026-000056751

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000056751) never changes.

Identity and time

Publication numberOT-2026-000056751 · never reused
Internal UUID01a0ae87-7af6-7385-9148-ce12db3052bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056751
StatusPUBLIC

Content hashes

Canonical textaace12aefa9567a08cd514a6685efcbb3633a850b01f547dd336886895adb7d4
Markdowndc419dd82813508b0ed62b82c7607259955cc7fff15d111900569f52c10536f1
PDF
Publication page7777ce5e1dac60c62200162f940f38247625f010a8667e41a3bcbca502ea31b8
Manifest66d743a83a8c1c07fdb81726b6bbd999aec12ebb4c1cab0aa70dbf4ae24c80fa

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
SignatureWq5PQZUkrJcXV0NFXTa/IZ2ktW1YncUQJWB3GtNdFzJ1IwCZ+ywPpWtT1O++bAoUpASx4HogUU0gwKeWRr9OCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:11.600153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056751
observed 7777ce5e1dac60c62200162f940f3824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.582914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056751/manifest.json
observed 66d743a83a8c1c07fdb81726b6bbd999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.566487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056751/publication.md
observed dc419dd82813508b0ed62b82c7607259...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.549245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056751/publication.txt
observed aace12aefa9567a08cd514a6685efcbb...
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.