OpenTechnical

OT-2026-000073927

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000073927) never changes.

Identity and time

Publication numberOT-2026-000073927 · never reused
Internal UUID01a0ae93-2b8e-7d94-b6fa-61917a380015 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073927
StatusPUBLIC

Content hashes

Canonical texte9dd89805b981f1671fc4f861c68021bcf68b65f75d880d3cbdc0a3e9072424d
Markdown9682636a7c236ab1feca0855b0eecb4f2c27d5d883275fab980410a8d9836671
PDF
Publication page56c5ae9eacf194081ebc18caec6b2a1d0bd0541bcbca0d727aad56429e7fc790
Manifest660700d3ef99db7cc54a02d0741a3fe5f8b01a04a7a80c50aa62ce5d6fd0429a

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
Signature+TxzqKcPYYVEYZkRiVH3Es+pACAAqtlRzyuNLMbcxVKWCWJDb2ETmYD+TKjQ+uHI2/k3X5GNJJMkoIv8OljACw==
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

2026-09-17T10:20:12.470401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073927
observed 56c5ae9eacf194081ebc18caec6b2a1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.450203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073927/manifest.json
observed 660700d3ef99db7cc54a02d0741a3fe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.429693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073927/publication.md
observed 9682636a7c236ab1feca0855b0eecb4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.408368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073927/publication.txt
observed e9dd89805b981f1671fc4f861c68021b...
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.