OpenTechnical

OT-2026-000041702

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000041702) never changes.

Identity and time

Publication numberOT-2026-000041702 · never reused
Internal UUID01a0ae79-e8a1-75be-8dfa-194bb980dd1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041702
StatusPUBLIC

Content hashes

Canonical text851bd6be705bedfcb9e449d58c730b74c0f44ecfc7a47fc5aec829e31b69c8dc
Markdown66b7e7e99c84df1c8864b2fccb32ad274b7fd956be73540c1dc5c6bdd4afdb3b
PDF
Publication pageb944982f3723faddf241d68068d60ecbc63744fb5ad5e719f6ca783338aa691a
Manifestd2c14c79dc69e1cda2eb08c81a9f6a58994987086353a88963784ad1c0379f72

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
SignatureMJCgx7q2V/K2AtOp5ZRM83CRiBb8SmIw1eUzgcr04h7gysVnhfmAmSKcG1OtBZr61em1mPVLySbprTdiQwriCw==
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

2026-09-17T11:16:30.908336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041702
observed b944982f3723faddf241d68068d60ecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:30.891978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041702/manifest.json
observed d2c14c79dc69e1cda2eb08c81a9f6a58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:30.876419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041702/publication.md
observed 66b7e7e99c84df1c8864b2fccb32ad27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:30.860218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041702/publication.txt
observed 851bd6be705bedfcb9e449d58c730b74...
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.