OpenTechnical

OT-2026-000051674

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000051674) never changes.

Identity and time

Publication numberOT-2026-000051674 · never reused
Internal UUID01a0ae83-7c82-771d-8e0e-779dc23714ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051674
StatusPUBLIC

Content hashes

Canonical textaf3a58e3d3b7223832b11a0fec0e86dfea3dc28fd1e3abd076c21fa42d45025f
Markdown62019b5169660e3a6f1475571be7855ebaa0e36185cad1e14113fb23dce620a6
PDF
Publication page97af525382330f5a46c49ef5815ddb5284b1867d30f70646e97c714bca6fb854
Manifest6a19f757b6d6a7a62fb6ad92fd6f7447f370c1d0a20ea4568970f4d2ec3ef2b4

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
SignatureiQp7khn1zuqeRoibiJPqXdpDCBEppKYO1oKagqVr11wtLqygrE37S1sXrzzlN5++BOZhTUUJmxuNvwbrWLJaCQ==
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

2026-09-17T10:58:32.722561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051674
observed 97af525382330f5a46c49ef5815ddb52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:32.703939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051674/manifest.json
observed 6a19f757b6d6a7a62fb6ad92fd6f7447...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:32.684684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051674/publication.md
observed 62019b5169660e3a6f1475571be7855e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:32.639939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051674/publication.txt
observed af3a58e3d3b7223832b11a0fec0e86df...
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.