OpenTechnical

OT-2026-000067747

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000067747) never changes.

Identity and time

Publication numberOT-2026-000067747 · never reused
Internal UUID01a0ae8f-c4fa-74a1-b15f-b09f50dfb444 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067747
StatusPUBLIC

Content hashes

Canonical text2cdd878972ae53f76e88d40d280a0e06f262f93bc482b076d8c3d5d0c491d300
Markdown4b702e30ef6ce1d8b74167d8a667d3c510577413c10b9369577f7e78f4b223d3
PDF
Publication page62fd963367fb465271d9c21f11d6d676655ec3617259ccedf36645de26e731ef
Manifestbb355769e5f55ac3c1e22dafc2ef69e9d526ac4518cedd5b62c2f810c7f14171

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
SignaturepLpnuKIbeKGNRbFFTp+ZLWmGJdZaYhc/I7wZQSTPvbp3fgr/Nb9Fq9wDjpACLUuR765OYC8QAKBuYMmO9gQMAQ==
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

2026-09-17T10:29:58.232970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067747
observed 62fd963367fb465271d9c21f11d6d676...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:58.214140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067747/manifest.json
observed bb355769e5f55ac3c1e22dafc2ef69e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:58.196638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067747/publication.md
observed 4b702e30ef6ce1d8b74167d8a667d3c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:58.178074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067747/publication.txt
observed 2cdd878972ae53f76e88d40d280a0e06...
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.