OpenTechnical

OT-2026-000058837

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold 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-2026-000058837) never changes.

Identity and time

Publication numberOT-2026-000058837 · never reused
Internal UUID01a0ae89-479e-71bc-bf5e-0100d8f96f21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058837
StatusPUBLIC

Content hashes

Canonical text6b60cd80f017bec08fba8c4303ba4bd5b514bab25cad03479359e1239c61dd6d
Markdown7664e7628e97d80b0aa3becbc86478d3e9ea88ddd9c77c6d70406724ee05c77a
PDF
Publication page7c0b4a1977115f9393157c6f686c0108f3aac8987653a8237141db5808cbf7d0
Manifest9697e0fd1cb387bf92eda405a4226d1f354b06288610c78cef3154d160dd210a

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
Signature2zrHP/lkjKBAIxW4k9h2lpjdumno/8iMxuebhI93441NTzoD4qqLs04LJuXsoFVRn2aNIg3NGvXVDuOwtXOACw==
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...

Independent retrieval

2026-09-17T10:46:22.222048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058837
observed 7c0b4a1977115f9393157c6f686c0108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:22.204270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058837/manifest.json
observed 9697e0fd1cb387bf92eda405a4226d1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:22.186178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058837/publication.md
observed 7664e7628e97d80b0aa3becbc86478d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:22.169489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058837/publication.txt
observed 6b60cd80f017bec08fba8c4303ba4bd5...
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.