OpenTechnical

OT-2026-000066475

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000066475) never changes.

Identity and time

Publication numberOT-2026-000066475 · never reused
Internal UUID01a0ae8e-ce40-7588-8650-d6dc3b28f46a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066475
StatusPUBLIC

Content hashes

Canonical text4c9130ae24ed1b2038e8a06431d5e4010f0d40bd3e6820eeadfbdec714a7186e
Markdown3d3effd52e3c7ddf19c58f25f16f1867132a258968868dae62c308283c01fe2c
PDF
Publication page01ed5dc84cf4079a3712d32113d44ecf045720ff0b29dcb071efe02a96ebb18d
Manifestdd2bd50e010bb41f5a17198a70b74c00b57e53f4dca358c25c29f35e8e79409f

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
SignatureEzomHRcpGFRyKEkJjx1Hi0P7p63ceN+HHE7lAr5Shl2hTfNPoQeKVu/UotycHyzz+QShsXBZQs6q++EOm6c3BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:43.667865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066475
observed 01ed5dc84cf4079a3712d32113d44ecf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:43.651785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066475/manifest.json
observed dd2bd50e010bb41f5a17198a70b74c00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:43.634828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066475/publication.md
observed 3d3effd52e3c7ddf19c58f25f16f1867...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:43.616550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066475/publication.txt
observed 4c9130ae24ed1b2038e8a06431d5e401...
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.