OpenTechnical

OT-2026-000048493

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000048493) never changes.

Identity and time

Publication numberOT-2026-000048493 · never reused
Internal UUID01a0ae80-4de5-7a3e-9c49-66dfc5cfd69e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048493
StatusPUBLIC

Content hashes

Canonical text51b19528d0b34d7137591aaccd9b151677da64ed2589b815a07353c0a5f190aa
Markdowna4b599ea73fadf9003ef6845d1782c2e62912d3c1d685fa279f0af22ebf66ae8
PDF
Publication pagec0519b3bb91d1af6242dbde81df576e2806c60064831d78b1c022751dfbb3ba5
Manifest568d382a430a270dd8f611e25731ddabbd20a7289162be5cf8d9877c8582237c

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
SignaturedVnbPfdPtHXRIgxTSYvN0kylfPZ1r3Cj3nt7UHn0qgjBtM2FMKmfAcKL/w3YETJ4wxdtIVhqGQqJ/UjbvODkBA==
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

2026-09-17T11:05:09.844353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048493
observed c0519b3bb91d1af6242dbde81df576e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.826172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048493/manifest.json
observed 568d382a430a270dd8f611e25731ddab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.807241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048493/publication.md
observed a4b599ea73fadf9003ef6845d1782c2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.786849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048493/publication.txt
observed 51b19528d0b34d7137591aaccd9b1516...
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.