OpenTechnical

OT-2026-000091236

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000091236) never changes.

Identity and time

Publication numberOT-2026-000091236 · never reused
Internal UUID01a0ae9c-f16c-7281-a264-a87d6fb7d947 · 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-2026-000091236
StatusPUBLIC

Content hashes

Canonical text31872fe12ae51f4b481613001d596b8624b40641fe3ef319db259d65f87d90e8
Markdown81c6a8aa5173e74228f71d9f7a60f8f28a7f823d9cba38523f39e40b20c49c74
PDF
Publication page1b5cba9518042134d33a035c4c1caf7b8fdbcb21fd94d3c957632ee482927354
Manifest6f232fdfe34242237ba641040b4b7217f5b2c2c8d4039df1ac32a504a5358c59

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
SignaturebAJgJf3RmSgkh65roFr56GUnyFY8SHtKGTkt6qG7wwRbJCgfUPZpVCfly9Hzi9bkZnsdlioIt+SivwmwQ372DQ==
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

2026-09-17T09:43:24.586176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091236
observed 1b5cba9518042134d33a035c4c1caf7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:24.567671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091236/manifest.json
observed 6f232fdfe34242237ba641040b4b7217...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:24.549990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091236/publication.md
observed 81c6a8aa5173e74228f71d9f7a60f8f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:24.532409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091236/publication.txt
observed 31872fe12ae51f4b481613001d596b86...
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.