OpenTechnical

OT-2026-000056522

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three 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-2026-000056522) never changes.

Identity and time

Publication numberOT-2026-000056522 · never reused
Internal UUID01a0ae87-7af5-724f-8169-f00379f61860 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056522
StatusPUBLIC

Content hashes

Canonical text90b72b0141e224d536decf886915b442a3d9cd6432383696588155f62239a4b5
Markdown01ca0352904f1ac7e9f486f805c68243fad07db004fc4b0254d7904ad0854aca
PDF
Publication paged2a1c5d44b9f835c7a75d384b18509ca6f1593f784f97c32a91e1f87d5892523
Manifest27b332192e5887ad6ceca42eaea55dc4fa821f039b58a69cb33a2c2685223e6d

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
Signature0Il1ASMCh9FClnsEILsB33sKRlcgJOcxRKsYcNRbDgysFWoJH7uQbKJvzRTMRtqXU02jGg5UYRRlyH5aZnwiAg==
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

2026-09-17T10:49:50.834639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056522
observed d2a1c5d44b9f835c7a75d384b18509ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:50.817604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056522/manifest.json
observed 27b332192e5887ad6ceca42eaea55dc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:50.799729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056522/publication.md
observed 01ca0352904f1ac7e9f486f805c68243...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:50.782063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056522/publication.txt
observed 90b72b0141e224d536decf886915b442...
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.