OpenTechnical

OT-2026-000055725

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000055725) never changes.

Identity and time

Publication numberOT-2026-000055725 · never reused
Internal UUID01a0ae87-09ca-7eac-a5d0-a873fc0ce58c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055725
StatusPUBLIC

Content hashes

Canonical text2bea93168550d0a9920349306bf92a473d880993afb54c1e39addd172b1de5d3
Markdown6b2f6b7511bcc9277ac564d00e81c683786803446f81408ec92565e4911a782a
PDF
Publication page1fd38a7aaa53b13303a23a41e98aa3c580ef0d7b70703cfa1d776b35b79927bd
Manifestf86dc4a029e13a3d0e5aa62a76867db26507f1883cfe43b2caba25b1baabfe67

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
Signaturexu7zvT60EnWUmW3L76WkpIvAIT6Z3FVKRo/aVOWjALiHrvJ4R+WceRYR2E4dW6NuvP2h+DSXqeLIkbhO/wqPAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:03.808547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055725
observed 1fd38a7aaa53b13303a23a41e98aa3c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:03.789031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055725/manifest.json
observed f86dc4a029e13a3d0e5aa62a76867db2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:03.772236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055725/publication.md
observed 6b2f6b7511bcc9277ac564d00e81c683...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:03.754704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055725/publication.txt
observed 2bea93168550d0a9920349306bf92a47...
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.