OpenTechnical

OT-2026-000087638

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, 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-2026-000087638) never changes.

Identity and time

Publication numberOT-2026-000087638 · never reused
Internal UUID01a0ae9a-cd53-7e08-9083-e94835b97e55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087638
StatusPUBLIC

Content hashes

Canonical texta6d9de0adf43038507d8ea52eb489dfc6d0ed6a74897eab0901478681ed88b09
Markdowne02013cb005d220b0775432a8e8558729971e9b4f117f39ab05794cb30c12708
PDF
Publication page5f25d8cd444633f5e27a05446924d3543449b519b3d52d056e54c17aa5c6b5aa
Manifest0bd72177d6be683566b7a9886c6c7deb6360c9df93956ae70a140262d302056e

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
SignatureMtyQqcbDg4O64us/uoApbcXwRI/N4HyYyMryBSGgakxilvpIwpTYUkLPI+goqj/B8cDNUuxYZITkHFg4ez3ICQ==
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

2026-09-17T09:51:05.010076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087638
observed 5f25d8cd444633f5e27a05446924d354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:04.993769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087638/manifest.json
observed 0bd72177d6be683566b7a9886c6c7deb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:04.977615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087638/publication.md
observed e02013cb005d220b0775432a8e855872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:04.962253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087638/publication.txt
observed a6d9de0adf43038507d8ea52eb489dfc...
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.