OpenTechnical

OT-2026-000057466

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000057466) never changes.

Identity and time

Publication numberOT-2026-000057466 · never reused
Internal UUID01a0ae87-d5c8-7f0d-9a82-04d14a94cea6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057466
StatusPUBLIC

Content hashes

Canonical text3b7992ddeac9fc3b9f2efa86b8debe65158cda5d4efac20ee2c4278770e4c0fb
Markdownd82c68f7715a9b88a1d3b42e5cf9e52210b82e06e85b494682e1396d3c690b61
PDF
Publication page315bbff454fac8b5a0e2bb091fa069b00ec790ec563015ebcc42bd4100438744
Manifesta17459fb162a4237a1097ef55876ab1cc4e365bb0990adc7ea67b24fe74d0083

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
SignatureinUSFk7z+ujDlClEEWoWH+F73WlpIAeurdZtHC1MWhz2bFmIsff/44qxrkYc6yCP31bYyhJRk0hXgj6B8uKkCg==
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

2026-09-17T10:49:46.046535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057466
observed 315bbff454fac8b5a0e2bb091fa069b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:46.030368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057466/manifest.json
observed a17459fb162a4237a1097ef55876ab1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:46.014358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057466/publication.md
observed d82c68f7715a9b88a1d3b42e5cf9e522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:45.995873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057466/publication.txt
observed 3b7992ddeac9fc3b9f2efa86b8debe65...
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.