OpenTechnical

OT-2026-000046356

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line 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-2026-000046356) never changes.

Identity and time

Publication numberOT-2026-000046356 · never reused
Internal UUID01a0ae7e-57cb-707c-ac92-95688eaeace1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046356
StatusPUBLIC

Content hashes

Canonical textb16162cc800d3f2a11d379a5bbf0cd0c2f99dc7a2ed36a20004b5997482dd939
Markdown570eb924daadbf048868da0dc64f387dff9bb78d40d19d88ee70de603015cea9
PDF
Publication page99c9c0a1051916957456b2646269ebebc841829ffa3adb9dfddb9ee422703cd0
Manifest15f440f8833ce1ae61c18ab4d1d7968ec21de4344061e111565a7827bee0d13a

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
Signature7SShGjC1t8UupbJLAG3eg6c9614fzmjcfZCHEkCR6N5f73g3r8fetsrKxFOSqx6A9I2gL5pevdasTZwpaupHAw==
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

2026-09-17T11:08:21.008245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046356
observed 99c9c0a1051916957456b2646269ebeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:20.990157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046356/manifest.json
observed 15f440f8833ce1ae61c18ab4d1d7968e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:20.971913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046356/publication.md
observed 570eb924daadbf048868da0dc64f387d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:20.954767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046356/publication.txt
observed b16162cc800d3f2a11d379a5bbf0cd0c...
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.