OpenTechnical

OT-2026-000005145

Publication integrity record

Porous face vacuum gripper, two zone face, two outlet manifold, three stage ejector, contact triggered

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-2026-000005145) never changes.

Identity and time

Publication numberOT-2026-000005145 · never reused
Internal UUID01a0a92f-518a-7632-8c02-da9a4f628ebb · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:47:25.708947Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005145
StatusPUBLIC

Content hashes

Canonical text6ce8cc0b64c9f6bf347edadbcc8cd061a15bc9eb372958bea182aa9d2855e00d
Markdown17e6b759b4dc2eeee2b99ce13068a655407a8a733287683fb0258830faf0710a
PDF
Publication page48d19af90be0e5a26d0178a19d77c7136b8ccb6f489af5f2cf9a605c1e592f2a
Manifest5ff8c93e13eb3c4f505a75e0944dc4d857eee7a0e52ef34e5b330ba63ef17759

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
Signatureavi9ZqpJjXi3cHUDr1QEC0QOzxpiu+zkCuuIZTXW3XaROHR5xe5g4Ph7n7auP+3RI8fuMyjgHgQuvPl5fiphBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T07:50:10.506300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005145
observed 48d19af90be0e5a26d0178a19d77c713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:10.490933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005145/manifest.json
observed 5ff8c93e13eb3c4f505a75e0944dc4d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:10.475455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005145/publication.md
observed 17e6b759b4dc2eeee2b99ce13068a655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:10.459403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005145/publication.txt
observed 6ce8cc0b64c9f6bf347edadbcc8cd061...
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.