OpenTechnical

OT-2026-000052003

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump 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-2026-000052003) never changes.

Identity and time

Publication numberOT-2026-000052003 · never reused
Internal UUID01a0ae83-e78e-78e1-ab6e-f81324c3070e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052003
StatusPUBLIC

Content hashes

Canonical text901301fc63d51f0d2858aeae45c92ce5e8ffa35105b7a55788632676081b92e5
Markdowne5008d276afbc7bf72572fe0ee9ae0e5d3fcf86a05a51190875ab3422b598448
PDF
Publication page862789c0c7d1ad0b2d56a7a62ed6b805e1db4a65deb8a912aefeee070fd1b9e3
Manifest68ae3d19bd7bd713ef17ef0446bcc4e40a2c0f403d06bfdb1ba4978fba2ecc6b

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
SignaturePOUmrbJeD49SxN54/w81GJkREbLvW6LHOm6Ksl54YjrNT6QnweXlD9m0f5Z6l3Y2EVHZuUDbEX/gcjd6STm5Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:30.601096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052003
observed 862789c0c7d1ad0b2d56a7a62ed6b805...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:30.584137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052003/manifest.json
observed 68ae3d19bd7bd713ef17ef0446bcc4e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:30.566765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052003/publication.md
observed e5008d276afbc7bf72572fe0ee9ae0e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:30.550630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052003/publication.txt
observed 901301fc63d51f0d2858aeae45c92ce5...
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.