OpenTechnical

OT-2026-000091535

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000091535) never changes.

Identity and time

Publication numberOT-2026-000091535 · never reused
Internal UUID01a0ae9c-f16e-7a30-ac27-1758927b3df6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091535
StatusPUBLIC

Content hashes

Canonical text48abcd648fb6e6d0563746d8ffc69e7e2ceedd8ccb41350618cea7c7b3f9b658
Markdownba19b9c8714950a57c594227e6cb8663c55ca89130b21be0c73053d6b089a622
PDF
Publication page2d1ca3608551af16a92f1f8c74f5cc956aa8fd0068f352b704cc24deb6a92a3a
Manifest129a2f9951ebdf3c502a54c7ed8403a4e1039c3c5cde37fd388a4bd1aa94bdf4

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
SignaturezP8Tk3FTdJEv3lJYCTdjCj0LrjpnAr1T0K3tDpddAxXTE5oRaYoxcN+nhRLOggbUQWpnM2LPdH2If0HdnkOWCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:48.180167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091535
observed 2d1ca3608551af16a92f1f8c74f5cc95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.165526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091535/manifest.json
observed 129a2f9951ebdf3c502a54c7ed8403a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.150076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091535/publication.md
observed ba19b9c8714950a57c594227e6cb8663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.134802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091535/publication.txt
observed 48abcd648fb6e6d0563746d8ffc69e7e...
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.