OpenTechnical

OT-2026-000057787

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000057787) never changes.

Identity and time

Publication numberOT-2026-000057787 · never reused
Internal UUID01a0ae88-6ed7-7ee8-b7ef-c624382bc8ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057787
StatusPUBLIC

Content hashes

Canonical textb253d97dc1084a5eee7abf6481fb08cc4f19064c4a8f1983ad36c69266882087
Markdown05a171fc112a2472e28acc77370e131fede493c645e7c5074ca7a42d06c0a0c8
PDF
Publication page72165b9589776729ffefbd2863de6d3905e9d92d7bc90c059aa83303186dd793
Manifestfcd6bf9d3e19060f6861d0bef106a3f35f07a047610c4101f402a9a824632b54

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
Signaturehf0Nj2260RnhlI6iAF14J9R9D8UXztCenCyZD1lt0u2UfuOpxsWSLGClJJ87EUd7tGwS9mzLUBnpACZcjJ6lBQ==
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...

Independent retrieval

2026-09-17T10:47:20.770884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057787
observed 72165b9589776729ffefbd2863de6d39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:20.751212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057787/manifest.json
observed fcd6bf9d3e19060f6861d0bef106a3f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:20.732950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057787/publication.md
observed 05a171fc112a2472e28acc77370e131f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:20.715258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057787/publication.txt
observed b253d97dc1084a5eee7abf6481fb08cc...
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.