OpenTechnical

OT-2026-000053930

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000053930) never changes.

Identity and time

Publication numberOT-2026-000053930 · never reused
Internal UUID01a0ae85-b3a6-7ca0-8776-adefaed7a8a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053930
StatusPUBLIC

Content hashes

Canonical textab5dbd22cabd0cd198625094da93c6c753c172b8bdb969974fa290b4d763f46a
Markdown72ce8000a3286ffa57d3578382fc04cb9ed327f86a39563c353a3245a39ea933
PDF
Publication pagec7302dbde862792d1daa348062eb17174fd3bf6881701ec0f531cdc688dc738c
Manifestd3390dd8b80f7f587289949ece4885835c7ac667a8138f6a18bc3425bdd065aa

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
SignaturemusCsHLrmnpnjyYRHhDZJYyLpigPHNbWaJo9IQ0QCQW1X3LU1+nGH9bZRGWT4Uao5UNok4r7dE2b2HWV7NkvDA==
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

2026-09-17T10:54:10.394862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053930
observed c7302dbde862792d1daa348062eb1717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:10.374757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053930/manifest.json
observed d3390dd8b80f7f587289949ece488583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:10.358230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053930/publication.md
observed 72ce8000a3286ffa57d3578382fc04cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:10.340301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053930/publication.txt
observed ab5dbd22cabd0cd198625094da93c6c7...
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.