OpenTechnical

OT-2026-000005056

Publication integrity record

Vacuum cup gripper, four zone face, three stage ejector, pressure verified, vented 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-2026-000005056) never changes.

Identity and time

Publication numberOT-2026-000005056 · never reused
Internal UUID01a0a92c-76e1-7b53-92a5-ff81027fdb95 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:44:18.660745Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005056
StatusPUBLIC

Content hashes

Canonical text54e27e31ff7482c6a116013b83f845709b2b165ab7268b556aee8b35390437f5
Markdownbf597d7a7bc101ebdd8913776a4b0f9dca90f70a602885188a569dfbcdcd8674
PDF
Publication page901df765ce0ffc7c78f607e2788f75de9807faea7b2fb8c1dec738fd000c2221
Manifestf86ea4833133d117e9a1be4ce62f99b5978fe74c9d7885f34f481bbeed1e9a32

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
Signature0uwGBQeqZmtS/x3EK+I1UlylCYMnqen8S0qoSNHjaRU95n1X4GWBnj9ZrK13G9g7BUX+4ZBHFYJh4qRB+utFAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:20.246884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005056
observed 901df765ce0ffc7c78f607e2788f75de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:20.232649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005056/manifest.json
observed f86ea4833133d117e9a1be4ce62f99b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:20.220276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005056/publication.md
observed bf597d7a7bc101ebdd8913776a4b0f9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:20.206831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005056/publication.txt
observed 54e27e31ff7482c6a116013b83f84570...
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.