OpenTechnical

OT-2026-000058698

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two 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-2026-000058698) never changes.

Identity and time

Publication numberOT-2026-000058698 · never reused
Internal UUID01a0ae88-f39d-754a-b28a-e0b26a12bfc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058698
StatusPUBLIC

Content hashes

Canonical textfefc24e3f6c96918ee714e9476fd43b3136b25b1c4234f5b36e9109da76f6bc3
Markdownda7906ed64d3f7c9e40b16a2db4e5900d23104d54eb0c97bec4485da6c64b68f
PDF
Publication pagec28f8ec07fa4250a2d781bd92b2e545dee8ea7d7cf732bcf9bf972d571e44619
Manifest39fafaacdd7237e774a7f70a87ac1f658cb23b0215888fb86768f3feef2105b6

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
Signature1JAuREVQZiguGhmbM+wYXjS1+5O4ArkLuBpJbfyhNUzdwkrxoDtKYkfMd3P3fcZmg/a7ZvNcL15nl2i4ieD9AA==
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

2026-09-17T10:47:13.343152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058698
observed c28f8ec07fa4250a2d781bd92b2e545d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:13.325927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058698/manifest.json
observed 39fafaacdd7237e774a7f70a87ac1f65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:13.306317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058698/publication.md
observed da7906ed64d3f7c9e40b16a2db4e5900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:13.287806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058698/publication.txt
observed fefc24e3f6c96918ee714e9476fd43b3...
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.