OpenTechnical

OT-2026-000034531

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, pulsed 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-2026-000034531) never changes.

Identity and time

Publication numberOT-2026-000034531 · never reused
Internal UUID01a0ae76-1ed0-7635-9fbd-187254badce4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034531
StatusPUBLIC

Content hashes

Canonical text38d90ab2b72e52dcf6ec95e80d14ad51cbc91839ae0b79b0198e96484693bc35
Markdowne08b8be3d5eb9946ae1470985e501403656f0b1a9b9227f50bd5c53a58cef2f1
PDF
Publication pageaa8bd06ec8491e8e854147c01256f70649c28b100e06aaa86cf4d4a5a266b3d3
Manifest1c4e31d46dcec29f6fa26a3d61a7b573a658c9ad023139f53edddfa18edcdf97

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
Signature0yBIcf/MOnGZnvATzaGz8Tdx28ijF0K8sV65wTcza9RJB9yOcVke4/ZEbA1RTouArrPsmXNLfq3o0F+jwE1ZCQ==
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

2026-09-17T11:28:53.229343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034531
observed aa8bd06ec8491e8e854147c01256f706...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:53.213219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034531/manifest.json
observed 1c4e31d46dcec29f6fa26a3d61a7b573...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:53.197240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034531/publication.md
observed e08b8be3d5eb9946ae1470985e501403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:53.181707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034531/publication.txt
observed 38d90ab2b72e52dcf6ec95e80d14ad51...
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.