OpenTechnical

OT-2026-000005940

Publication integrity record

Vacuum cup gripper, four zone face, three outlet manifold, pump fed, 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-2026-000005940) never changes.

Identity and time

Publication numberOT-2026-000005940 · never reused
Internal UUID01a0a949-e33e-78f8-9d67-942c53bff904 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:16:26.945593Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005940
StatusPUBLIC

Content hashes

Canonical text13c63c82776024837e3dd18a592e43dd4c57283f3013cf4b8d3d30532c6385ab
Markdowncd585129e7bb105f8342f1395ebaeecb4f7d1f092d30fe9ec8c8a2bf730c4413
PDF
Publication page8a7b8487fae60695346b3784e9711b1d77942379120fb41cb43eae72ae77ff14
Manifest6a84145f8a488d4c8307a1dd47faa9dd997d117b3ceba22a58794cbdc1c46b2c

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
SignatureVpNMe6t/3JAyub8ULI6gzsnVItQDNyJ6wSsKmW8pQ1AbpmU1zamKVIMeNWjfZU1400F872DwAXVp2O/SjUTqCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:14.949927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005940
observed 8a7b8487fae60695346b3784e9711b1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:14.934289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005940/manifest.json
observed 6a84145f8a488d4c8307a1dd47faa9dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:14.919699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005940/publication.md
observed cd585129e7bb105f8342f1395ebaeecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:14.904432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005940/publication.txt
observed 13c63c82776024837e3dd18a592e43dd...
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.