OpenTechnical

OT-2026-000101081

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump 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-2026-000101081) never changes.

Identity and time

Publication numberOT-2026-000101081 · never reused
Internal UUID01a0aea3-c377-7c8a-b156-ce05fcf425e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101081
StatusPUBLIC

Content hashes

Canonical textdf2f8602503f339e5254db3aaca377bf0c813af06b3f0ed576286f53270bc6bc
Markdown4e17ed5424db530a557ebbf9583843f96f7b993b21cb239afb5c1c81d9bfa9c2
PDF
Publication pagef4a7a111dab6b424232db4ff69671263d5f20c0720bd4f283502344b534dcb79
Manifest10295df97a6c9d964da27339e4d76ff475326cff8fa10cbd4f9b9b9b62396461

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
Signaturey/Y+p3emFQPuoM9lGSRHs+r1eeFA6mUh4W+kQZeN1IKoyfc8Y5amzhjykYdvz+ieRsOSGF24zTlKQXgR/hvVCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:42.059512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101081
observed f4a7a111dab6b424232db4ff69671263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:42.041519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101081/manifest.json
observed 10295df97a6c9d964da27339e4d76ff4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:42.023296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101081/publication.md
observed 4e17ed5424db530a557ebbf9583843f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:42.007052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101081/publication.txt
observed df2f8602503f339e5254db3aaca377bf...
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.