OpenTechnical

OT-2026-000050221

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, vented before set-down

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-2026-000050221) never changes.

Identity and time

Publication numberOT-2026-000050221 · never reused
Internal UUID01a0ae82-5c46-717f-a918-c4b1c4e2a286 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050221
StatusPUBLIC

Content hashes

Canonical textb99af9e2332d4da653e53d869ee8ce1cdea3abbed23f2730d7a26f9ca35a55aa
Markdown0613b2f02968524a1050f7ec61547418ac41879dba5cd80a802f9175dcacc174
PDF
Publication paged311349c994944cbbe1ef66e7663b95d138cbf5340fecd196b29bf77ddb45bfd
Manifest28df858e434f031a217c1691eaa5753f325a4a3748b8c929d06280f40733bcef

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
SignatureOVVrUEnPYdLdx7iSbt8KCmFV+4MMHdpI6FSt03ahJmcxzQWYJkilhbT8kPc4rIN5Pg7c0q+1n1O5+boLZxr+Dw==
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

2026-09-17T11:01:12.850555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050221
observed d311349c994944cbbe1ef66e7663b95d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.834726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050221/manifest.json
observed 28df858e434f031a217c1691eaa5753f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.818409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050221/publication.md
observed 0613b2f02968524a1050f7ec61547418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.801504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050221/publication.txt
observed b99af9e2332d4da653e53d869ee8ce1c...
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.