OpenTechnical

OT-2026-000070107

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, 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-2026-000070107) never changes.

Identity and time

Publication numberOT-2026-000070107 · never reused
Internal UUID01a0ae91-1861-7b3d-83ef-1967a31009e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070107
StatusPUBLIC

Content hashes

Canonical text5d64611a5a6b86552547fdbd1f2b492789792a2c517d954b470c8bc5472a9292
Markdown99e25b47b1a0a0605f4063458b858c3ac7e711f9b7106ad30ed8769d1764a274
PDF
Publication page9a49544b5c03b21cd7b5b825219c9fdea5a17d60038510733d5ffa9cba1c716b
Manifest555dff6737d13a1f07d8412bb6a5c30e68e0812882cf53c7a83f56fa4427c929

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
SignaturedKH/F1/vYsVWOfXE0h3M+RUdcH/0RAFp7OVYXtNEI/Ksmib8sBdZOXhCFmL7oX4JnJo+oCDl+Ju8Yaei93n5Bg==
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

2026-09-17T10:27:04.740596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070107
observed 9a49544b5c03b21cd7b5b825219c9fde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:04.724142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070107/manifest.json
observed 555dff6737d13a1f07d8412bb6a5c30e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:04.706782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070107/publication.md
observed 99e25b47b1a0a0605f4063458b858c3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:04.690018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070107/publication.txt
observed 5d64611a5a6b86552547fdbd1f2b4927...
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.