OpenTechnical

OT-2026-000078449

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000078449) never changes.

Identity and time

Publication numberOT-2026-000078449 · never reused
Internal UUID01a0ae95-7c28-7e34-912c-eb1a5ea8342b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078449
StatusPUBLIC

Content hashes

Canonical text380429fd7d3ff9c0cc20b4b294cd48a6ef327f1a319e5df79a4586ff5961c02c
Markdown66f48500a54d021055c930c8993206f4ddd36148b8019c433a2655497fbc6c1e
PDF
Publication pagea403de87a590511c29fc7ff349cfd30cab10a6b490e312856e27589316d5e007
Manifest9c0a80e6b23cc031155e79fc8f0076b43ede98bd59767d01560e5aad235df5b6

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
SignaturepGSEfS/at98SJOvitGCFCMXWTQf0gP7Dk7X/cuQVYeqJkUVf3hjUnKBz32KSmC12pvZ9ma8dpLHu2xtz2jXLCg==
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

2026-09-17T10:06:27.009469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078449
observed a403de87a590511c29fc7ff349cfd30c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:26.990725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078449/manifest.json
observed 9c0a80e6b23cc031155e79fc8f0076b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:26.972361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078449/publication.md
observed 66f48500a54d021055c930c8993206f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:26.952926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078449/publication.txt
observed 380429fd7d3ff9c0cc20b4b294cd48a6...
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.