OpenTechnical

OT-2026-000012108

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000012108) never changes.

Identity and time

Publication numberOT-2026-000012108 · never reused
Internal UUID01a0ae6d-39f4-7142-b870-5aa930eeab97 · 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-2026-000012108
StatusPUBLIC

Content hashes

Canonical text9d8edaa5745e1ceba1fbe390175e0ab7cb3d152486f90e41b2c8a5e88028f561
Markdown06c43925956c4bc8e665ee3fa458c88649351ae01f070ff6d08f1d637d40f4eb
PDF
Publication page30448387239e6f614ba2037f785e091eb87b66a029c62504707a2c7325ca2732
Manifest4022d36d017142ecce453532628330b34557c43f5733e83a87aa95cbc199f166

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
SignatureBGM2PsenceCAXiWSwymVMpx49CX3A9Sb10LfwjKCXsXQc3v2CAffM7ri/lN89cw5jXaRA6edAxW5O2292Y4tDw==
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

2026-09-17T12:10:59.194027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012108
observed 30448387239e6f614ba2037f785e091e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:59.175362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012108/manifest.json
observed 4022d36d017142ecce453532628330b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:59.157849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012108/publication.md
observed 06c43925956c4bc8e665ee3fa458c886...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:59.138000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012108/publication.txt
observed 9d8edaa5745e1ceba1fbe390175e0ab7...
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.