OpenTechnical

OT-2026-000073857

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum 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-2026-000073857) never changes.

Identity and time

Publication numberOT-2026-000073857 · never reused
Internal UUID01a0ae93-2b8e-731d-830a-4c26f1afcc13 · 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-2026-000073857
StatusPUBLIC

Content hashes

Canonical text0a7f9578ec55b48122bba68e007ba8a1802f34cbbf9a221c4aa39760ec7bf0bd
Markdown2be1cc4ea1c008377de437360b9cabe48d948bec36ad044eb012e415d09aa2de
PDF
Publication pageea66c4e7185bbae742068fec8cee7aa4ca403c71d3f36f0bddc38634e8f8dacb
Manifest5cb4ffe830414639f23d14e0f4784a76bc5fd527cffc039db7456d6c8224ba06

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
SignaturefM/5aqaiAOEbFr1NTNecVHCs6J9ZbGcMrdQ5nNHTST9eQtsWMCS7iFFANd3gPWDYkLkitWHnQRjJJl0YSiGTDA==
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

2026-09-17T10:19:59.889673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073857
observed ea66c4e7185bbae742068fec8cee7aa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:59.870742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073857/manifest.json
observed 5cb4ffe830414639f23d14e0f4784a76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:59.851952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073857/publication.md
observed 2be1cc4ea1c008377de437360b9cabe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:59.831897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073857/publication.txt
observed 0a7f9578ec55b48122bba68e007ba8a1...
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.