OpenTechnical

OT-2026-000051484

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold 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-2026-000051484) never changes.

Identity and time

Publication numberOT-2026-000051484 · never reused
Internal UUID01a0ae83-7c80-7018-93f0-605578c4b34c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051484
StatusPUBLIC

Content hashes

Canonical textca723aba67c3f3457fa24988299007213f26aec3ea586f805bfb5176cc3933ee
Markdown49a1fb4e83a9d381ed16d4989e8ac4b9f3a4bff18af0579b03d57a5e3990110b
PDF
Publication pagee7a59e4562b62f367d4ad71463da6ecaf88850f8b08059e7b953ffad4c352467
Manifest58043870c4acfcadc8f56db357dfa43162766c3bf862d78b1f1f8ccdfbe895eb

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
SignatureVTkywmwl/d2DxkzB9CaHEN17C1hEDiC7x8xw593a+WQlNVsGVHQ5He+L78GzCtQ0rkTZXkCeU5owCMuS/8rVCw==
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

2026-11-02T16:42:06.272663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051484
observed e7a59e4562b62f367d4ad71463da6eca...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-11-02T16:42:06.175368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051484/manifest.json
observed 58043870c4acfcadc8f56db357dfa431...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-11-02T16:42:06.104556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051484/publication.md
observed 49a1fb4e83a9d381ed16d4989e8ac4b9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-11-02T16:42:06.002095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051484/publication.txt
observed ca723aba67c3f3457fa2498829900721...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-20T08:42:19.701337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051484
observed e7a59e4562b62f367d4ad71463da6eca...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-20T08:42:19.301050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051484/manifest.json
observed 58043870c4acfcadc8f56db357dfa431...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-20T08:42:18.941384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051484/publication.md
observed 49a1fb4e83a9d381ed16d4989e8ac4b9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-20T08:42:18.654384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051484/publication.txt
observed ca723aba67c3f3457fa2498829900721...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent