OpenTechnical

OT-2026-000054474

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two 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-2026-000054474) never changes.

Identity and time

Publication numberOT-2026-000054474 · never reused
Internal UUID01a0ae86-1282-7d72-a2bc-2e34297601e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054474
StatusPUBLIC

Content hashes

Canonical text70ad1f0a686975f141c01614dc03635b2d5f91040dec0ef337ac3c2dcff1d3d0
Markdown1b3c6c313680d126a2bd9e38f9a4b931dd8ed6df5930c9ce08603e78b0e6b3ae
PDF
Publication page5f3c0f5a5fb9a9f64142303cfd3f508e6567019716c7a848415194152a9e90b6
Manifest78a3fdc1aee975951b2ff7f496f39fde65792a70dd83358b65781e9bab5a7359

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
SignatureT7i2jKArYl9V0iRT4UdXtazpMWiM2qw6EEnKKH30TWG9SncnMdlc/Vx8gPvD4XQ15PhBuq2TCl7Q/O/EaM+vBA==
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

2026-09-17T12:41:46.880172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054474
observed 5f3c0f5a5fb9a9f64142303cfd3f508e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:46.676464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054474/manifest.json
observed 78a3fdc1aee975951b2ff7f496f39fde...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:46.532251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054474/publication.md
observed 1b3c6c313680d126a2bd9e38f9a4b931...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:46.309269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054474/publication.txt
observed 70ad1f0a686975f141c01614dc03635b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:53:28.137961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054474
observed 5f3c0f5a5fb9a9f64142303cfd3f508e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:28.120496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054474/manifest.json
observed 78a3fdc1aee975951b2ff7f496f39fde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:28.103012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054474/publication.md
observed 1b3c6c313680d126a2bd9e38f9a4b931...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:28.085330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054474/publication.txt
observed 70ad1f0a686975f141c01614dc03635b...
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.