OpenTechnical

OT-2026-000030145

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000030145) never changes.

Identity and time

Publication numberOT-2026-000030145 · never reused
Internal UUID01a0ae73-e4ff-730c-a402-d1c9e445572b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030145
StatusPUBLIC

Content hashes

Canonical textc215415f347f13f66fb6725084579065b6630ca2c8ff5e73f56cd6ee4433d674
Markdowndb1988bd38d389e2510f6e11e0c920cce1333836f9087714baaefac2ccfad1bd
PDF
Publication pagef63d0408080d3d83b8db40c12663771456d52dae3078974d58fe561c37b8f3b7
Manifest14c7dd2d0dc1c9c1589a8ce512ba1995b9f42bbb31429233d558a8c1627bdf88

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
SignatureE7Koc2zuoNXWpTdFvCITrWsMm9p9vkk/qQHZF/ZqWDmt6IhTMNR0jVGBpto1qHywQRy1/4gzcu0XTp7Kpe9OAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:40:23.347344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030145
observed f63d0408080d3d83b8db40c126637714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.329872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030145/manifest.json
observed 14c7dd2d0dc1c9c1589a8ce512ba1995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.311942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030145/publication.md
observed db1988bd38d389e2510f6e11e0c920cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.292267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030145/publication.txt
observed c215415f347f13f66fb6725084579065...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.301950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030145
observed f63d0408080d3d83b8db40c126637714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.285780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030145/manifest.json
observed 14c7dd2d0dc1c9c1589a8ce512ba1995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.267059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030145/publication.md
observed db1988bd38d389e2510f6e11e0c920cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.248745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030145/publication.txt
observed c215415f347f13f66fb6725084579065...
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.