OpenTechnical

OT-2026-000006555

Publication integrity record

Vacuum cup gripper, six outlet manifold, two stage ejector, sustained blow off after 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-2026-000006555) never changes.

Identity and time

Publication numberOT-2026-000006555 · never reused
Internal UUID01a0a95f-46cf-7cbe-8cad-ecdc9a067154 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:39:48.689978Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006555
StatusPUBLIC

Content hashes

Canonical text16d1774dc450a7e058f0922de3ad1c1490a31a699bbc2a9c3bca53067174c522
Markdownff2bd1231762f7b1fc96a4a209dda618ed59221683c9f8b8a3a487805d58c6e9
PDF
Publication page7cba97a67d5c54f650f6eac3e6c097cbc3b5f835c4b4356bc875b0c0143b8f8f
Manifest7b7a7f2feb4d4323329c14ffc174ce7f8e52fc6ea78e8e869c095dd80e4894c7

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
SignatureS2qKXmPRDGhOHuQI4OHFKGJdTXdoyOsdepVVUqGCcQBhbJxE2cRyrPpcblr7D82g4InU/BrjBHiZTwg88Sw6AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T20:41:28.317845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006555
observed 7cba97a67d5c54f650f6eac3e6c097cb...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:41:28.161201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006555/manifest.json
observed 7b7a7f2feb4d4323329c14ffc174ce7f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:41:27.982950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006555/publication.md
observed ff2bd1231762f7b1fc96a4a209dda618...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:41:27.848418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006555/publication.txt
observed 16d1774dc450a7e058f0922de3ad1c14...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:40:03.624426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006555
observed 7cba97a67d5c54f650f6eac3e6c097cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:03.486773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006555/manifest.json
observed 7b7a7f2feb4d4323329c14ffc174ce7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:03.470135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006555/publication.md
observed ff2bd1231762f7b1fc96a4a209dda618...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:03.452685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006555/publication.txt
observed 16d1774dc450a7e058f0922de3ad1c14...
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.