OpenTechnical

OT-2026-000092217

Publication integrity record

Two cup vacuum gripper, two zone face, pump 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-2026-000092217) never changes.

Identity and time

Publication numberOT-2026-000092217 · never reused
Internal UUID01a0ae9d-875a-7d57-8df2-b0b5ca711a47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092217
StatusPUBLIC

Content hashes

Canonical text746b59a42745f15ba3aab2e068172ba73525e0ab9a6ae59061544074ffe9f0a7
Markdown7b458d556582a6b922c534bd6454ee08cceb6c09fc1fbb2fce9ebe8f2b6a3d61
PDF
Publication page70734aae3e9577b7c95968cb787107564e9e0733ad5657a7a70186e35d585546
Manifestd8b5cf89d61ac71433ab5a35547304aa7e21809cfaf89d7bee72861f92581688

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
Signatured1BeWID2pIwHdGZEKaBga+LELZZFmp0iGtIPQ/XM/yqMLht4DJymOcf+O4jQs1vfRdqlcVOulNV0L4Ql+5s1AQ==
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

2026-09-17T09:41:43.643407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092217
observed 70734aae3e9577b7c95968cb78710756...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:43.624606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092217/manifest.json
observed d8b5cf89d61ac71433ab5a35547304aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:43.606462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092217/publication.md
observed 7b458d556582a6b922c534bd6454ee08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:43.586112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092217/publication.txt
observed 746b59a42745f15ba3aab2e068172ba7...
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.