OpenTechnical

OT-2026-000008543

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000008543) never changes.

Identity and time

Publication numberOT-2026-000008543 · never reused
Internal UUID01a0ae6a-e46b-7ae9-8c5d-403701624b94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008543
StatusPUBLIC

Content hashes

Canonical text01efb9f734cc27796eb133092af16f0e20dc5c8256b8303120004d922632c6b8
Markdownbc8b96524696573ae3797b45b27f0139cad0a3af16788b87718b8ca381cb2451
PDF
Publication page547cc915a9fd54ccb738b792cc099c08d6a8101ddcc9115f37cb0d419e1890ec
Manifestdaf6233f530c5cb0777f6766ec70953bb371207a88aa0ee21311be336da0dd6c

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
Signatureiye4hC1Fx90xxUk/uVjORfFXDYkr50RTA5t1evl1ElHAZezKxkvriIky+i5qA31wc6EBykW/ST2awPWyyXJiCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:28.158612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008543
observed 547cc915a9fd54ccb738b792cc099c08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:28.138541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008543/manifest.json
observed daf6233f530c5cb0777f6766ec70953b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:28.114982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008543/publication.md
observed bc8b96524696573ae3797b45b27f0139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:28.092268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008543/publication.txt
observed 01efb9f734cc27796eb133092af16f0e...
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.