OpenTechnical

OT-2026-000008493

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000008493) never changes.

Identity and time

Publication numberOT-2026-000008493 · never reused
Internal UUID01a0ae6a-e46a-7b4e-be87-7fde2869efa3 · 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-2026-000008493
StatusPUBLIC

Content hashes

Canonical textd76beb6ed0f2666f3eebbaea56e7353a622bb25614da96812f42cbe89cf82b33
Markdown352f64fee65db0d267e2b0547d73316a70691f1adb25a0b6267ac0e435c01af7
PDF
Publication pagec12390cb8210e553fe47f3e33d0be55ff56365a52430a4b0db90f35a5694cece
Manifest0a3559c3558a24d8acca3d6be926d2b9cc7ff3349528692368346ecb4a03f440

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
SignatureBcKv2TShIXV+am+QXTGjUsXXat8jn+7e17Z0SU+eguJvkyi8hTYGnCkwFs/LIGwL6BHe+YecnF5UY36OIBdaAQ==
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

2026-09-17T12:18:23.642221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008493
observed c12390cb8210e553fe47f3e33d0be55f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:23.619604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008493/manifest.json
observed 0a3559c3558a24d8acca3d6be926d2b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:23.600099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008493/publication.md
observed 352f64fee65db0d267e2b0547d73316a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:23.579142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008493/publication.txt
observed d76beb6ed0f2666f3eebbaea56e7353a...
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.