OpenTechnical

OT-2026-000053612

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000053612) never changes.

Identity and time

Publication numberOT-2026-000053612 · never reused
Internal UUID01a0ae85-0a95-72cf-a8f2-8d1be2a5b8bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053612
StatusPUBLIC

Content hashes

Canonical text35fd5a73bdd348488183777e0785e375eb604a5e43570b62f6178e58b847dd3b
Markdown1f625431d6ae0d40b26e8471ae3600854ac707c8fbffc12b1f7dfe035df3c797
PDF
Publication page5175e989627eb0b98854e45845a8d3b8984af1dde5f8524701974b80067217fd
Manifest1fe7cdbdabd0cd0f2044962c3f1e0eab6bbe490fc92c8cc7c4f8ad35ece3dd74

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
SignatureKnT00ndltyBIqsUDr3kby3ZWfPjbz+/PtoToXeYNWl3Sn3EN9szm+Tlr/dlqjPZ+8GA/PTbPuzke63KIUE81Ag==
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

2026-09-17T10:55:29.308627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053612
observed 5175e989627eb0b98854e45845a8d3b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:29.290401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053612/manifest.json
observed 1fe7cdbdabd0cd0f2044962c3f1e0eab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:29.272447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053612/publication.md
observed 1f625431d6ae0d40b26e8471ae360085...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:29.252849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053612/publication.txt
observed 35fd5a73bdd348488183777e0785e375...
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.