OpenTechnical

OT-2026-000012170

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000012170) never changes.

Identity and time

Publication numberOT-2026-000012170 · never reused
Internal UUID01a0ae6d-39f5-703e-ac5f-61ee1988d74c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012170
StatusPUBLIC

Content hashes

Canonical texta95ac09908fee58c794b894585b461a58aa3fa0a3cf5d08f602cbc3e6cf30bc5
Markdown59915b4bc7aad107be1703eca9715dcad6b3a81e54127a223d4fa9a0b4a7a7ad
PDF
Publication page3c5c945b4a45ae71e9f798d6a10447f20b98d9074e51fb5076fa3c150cd713f4
Manifestd76083ebd003e1d5bbfa58db8ae0b43b0dd90ce0a3677edd8b3d6f061d0811a6

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
SignatureG/iAa9zRzyr/uSNrIruhvak6yM3vQAVsdm52MjGqnC/2G++Gxs1N3n82UkdJnJrJAotxhf2fj7Kb1NJ9qQ+hCA==
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

2026-09-17T12:11:04.256945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012170
observed 3c5c945b4a45ae71e9f798d6a10447f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:04.236170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012170/manifest.json
observed d76083ebd003e1d5bbfa58db8ae0b43b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:04.217802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012170/publication.md
observed 59915b4bc7aad107be1703eca9715dca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:04.200297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012170/publication.txt
observed a95ac09908fee58c794b894585b461a5...
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.