OpenTechnical

OT-2026-000027874

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000027874) never changes.

Identity and time

Publication numberOT-2026-000027874 · never reused
Internal UUID01a0ae72-a4a5-763d-ac5e-32f98378c3af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027874
StatusPUBLIC

Content hashes

Canonical text5e8c25e38a5621006657a3f16012a4bd049993fb76b3803cd39e5b3132a31dec
Markdownb6d9d1d062c036161d991ead5c8db66fc7bb5b3cd896274cadc70f7c5d5086f7
PDF
Publication page11a05f4f30e2d80cb38d86467b61c1aecc6cec0449ab87a45170e6c73c8a25e5
Manifest5e02e3ea854f13f62e865ad93151be5f6fbdf87cc8dc0cee376413f842b22f10

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
SignaturefTo3m4qckCrHkKnH3vdDy8wrSzLDc36eog68heMS7D8S5E0GWBjdcYBM1bjTu+3bCxo+ENwaU1X+P8TypAyHAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:01.869656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027874
observed 11a05f4f30e2d80cb38d86467b61c1ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:01.847877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027874/manifest.json
observed 5e02e3ea854f13f62e865ad93151be5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:01.823663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027874/publication.md
observed b6d9d1d062c036161d991ead5c8db66f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:01.804335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027874/publication.txt
observed 5e8c25e38a5621006657a3f16012a4bd...
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.