OpenTechnical

OT-2026-000087416

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000087416) never changes.

Identity and time

Publication numberOT-2026-000087416 · never reused
Internal UUID01a0ae9a-cd50-7383-b1bb-bd8224a61525 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087416
StatusPUBLIC

Content hashes

Canonical text1b5b566ca07856bfcbfe0b46bcce07749c468cb8302027ec5fac3632f973481e
Markdown2796265d89539dd75eb720194a05fe3fcfedc9340ea2a90e17efd636dac1b5dd
PDF
Publication paged2e861e6119b7d863192229403358a772b33a82bf9067fe798c83b6d33295929
Manifestdc80bba4654f5813d42e2fc577d95d8955648475302df7e808db6b60bfb33d0c

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
SignatureadHSs9PH5JCm87AtYrFh0K3fEkQoTLSDkxIg6i6jRVc1CPRaaVGi4taN+16d4Mac0vuCatvsozSc3dpG+ZVLBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:44.023191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087416
observed d2e861e6119b7d863192229403358a77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:44.006481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087416/manifest.json
observed dc80bba4654f5813d42e2fc577d95d89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:43.987241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087416/publication.md
observed 2796265d89539dd75eb720194a05fe3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:43.967313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087416/publication.txt
observed 1b5b566ca07856bfcbfe0b46bcce0774...
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.