OpenTechnical

OT-2026-000102726

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pulsed blow-off after 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-2026-000102726) never changes.

Identity and time

Publication numberOT-2026-000102726 · never reused
Internal UUID01a0aea4-858b-775e-8d77-9b7ca38ed643 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102726
StatusPUBLIC

Content hashes

Canonical text6a5f23c5f0ca9e2970d7399d041d9e65c66cb3ec951e900434ef3d25bf34ed50
Markdown9d57ee5015b69a2239edf966295d1539363b23d9ff1d7d116a8ab05c104d44f8
PDF
Publication page0c27b708bf1df2a7a74d91a1116183769d22f5b972928dddf33c93714be6ecb0
Manifest46171b4a87f8911f8072de2c55eb841319a6a69eca1f3db0b9173e3b6398356d

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
SignatureaHteIyNjo5NkV1n9plXCxQYYTqENHX48c+b9ZcdmsvU8qxp4i7oxjv8XRHkN1XWebA6PEY2K/ah/gLCRPIeCBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:14.521530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102726
observed 0c27b708bf1df2a7a74d91a111618376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:14.504255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102726/manifest.json
observed 46171b4a87f8911f8072de2c55eb8413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:14.485031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102726/publication.md
observed 9d57ee5015b69a2239edf966295d1539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:14.467380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102726/publication.txt
observed 6a5f23c5f0ca9e2970d7399d041d9e65...
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.