OpenTechnical

OT-2026-000056698

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum 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-2026-000056698) never changes.

Identity and time

Publication numberOT-2026-000056698 · never reused
Internal UUID01a0ae87-7af6-7a40-858a-6d25cba16a65 · 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-2026-000056698
StatusPUBLIC

Content hashes

Canonical textcfd1b08bbdccafdd437f32fdad02d726538ee3da63193571fd306baa95a873fc
Markdownc1a14296943ef3c2b812e52fd7c7e6af1a24448e80812b9f3f495a9e05bb1f04
PDF
Publication page86807d89d2802bad38e98c1a785a96439f1678653a47ca284abed22685412698
Manifest03d0e1bc16ab7f273311060d845f2701cf0812239f506dbb8600c81d7bd632cd

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
SignaturegmnqdvNl0W8EYiQQhFiLmMeI+tPLgI56l3KX7LVbk+l8CoIShqALO390nkEgwGsxKZhEDJ1cPVevfhoiRK8BDA==
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

2026-09-17T10:50:06.327307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056698
observed 86807d89d2802bad38e98c1a785a9643...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:06.308418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056698/manifest.json
observed 03d0e1bc16ab7f273311060d845f2701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:06.289661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056698/publication.md
observed c1a14296943ef3c2b812e52fd7c7e6af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:06.273537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056698/publication.txt
observed cfd1b08bbdccafdd437f32fdad02d726...
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.