OpenTechnical

OT-2026-000056057

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000056057) never changes.

Identity and time

Publication numberOT-2026-000056057 · never reused
Internal UUID01a0ae87-0a4b-7092-a2c9-fb08716565a9 · 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-2026-000056057
StatusPUBLIC

Content hashes

Canonical text32326d3c515aa084e6cef9c701caceb99b15e4e26d54023bd8bbd8f0f35ea33a
Markdownb5609b4adb04aab9f898f2d1fcc70bf0c5ec8122f9440ab3af361235b7f70593
PDF
Publication page52d4903185ca2a25e43351b2593f21004517329c4aa3068916401fe3770f8c4b
Manifest7a692b6fec70e4432568746c814c553f4f19af0df9e943d410a7199490c76463

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
Signature1ZjK5OWLMeuqpMvxGqqnSxsz6tNFlLr5ZPluid8TkyXI3aAV6TdzrFcx427JHcxM4oHal+5rorBLVAW2hSv2Cg==
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

2026-09-17T10:51:35.533700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056057
observed 52d4903185ca2a25e43351b2593f2100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:35.514791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056057/manifest.json
observed 7a692b6fec70e4432568746c814c553f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:35.495407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056057/publication.md
observed b5609b4adb04aab9f898f2d1fcc70bf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:35.477339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056057/publication.txt
observed 32326d3c515aa084e6cef9c701caceb9...
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.