OpenTechnical

OT-2026-000091743

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, 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-2026-000091743) never changes.

Identity and time

Publication numberOT-2026-000091743 · never reused
Internal UUID01a0ae9d-43b9-7386-98c3-a43e9dc64f25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091743
StatusPUBLIC

Content hashes

Canonical textdf20c1dadb84b559ca08e6042a257205a24af456ac211659015981c11f3d980b
Markdownad926e51ab62fd0fe7ba9cc4d30f14292f60f8bfaa7a692ff33424e99f0b6a53
PDF
Publication page63fb80b6834a72248d6d94ab703d88f491e20900b5094590bb5d19c946483663
Manifestdb14d63f577b6352828349a901a9aa96e89249cfaffacc44eb4ea752bdffd833

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
SignatureAUQlZ9TsFYSlzxRJFHKfDfozAGS6knD55dyGXpcX1GZYYBuuDdludPtdgkaI3PCDxpAhBE2e+hRl0e1mhPf4AA==
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

2026-09-17T09:42:38.141580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091743
observed 63fb80b6834a72248d6d94ab703d88f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.124471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091743/manifest.json
observed db14d63f577b6352828349a901a9aa96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.107667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091743/publication.md
observed ad926e51ab62fd0fe7ba9cc4d30f1429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.089255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091743/publication.txt
observed df20c1dadb84b559ca08e6042a257205...
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.