OpenTechnical

OT-2026-000048688

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000048688) never changes.

Identity and time

Publication numberOT-2026-000048688 · never reused
Internal UUID01a0ae80-c32b-7b36-a501-24905772b6a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048688
StatusPUBLIC

Content hashes

Canonical text9dcf9f992952e9f52822614ac6ce344f9c25a141b4caf2e4ec6a30a687ce42a8
Markdown65e355274f628288d022fc87b01d662c2a77ddd5a2c34c6717a30d4e0ede7ed9
PDF
Publication page5d7c7a2d0cbec7b83a69c7515dfd6c8d88c9b549610b37fa01239b31d8d5738e
Manifestb1e68690d8bf011d9f843d008e5b99b28d3909a91d27f40982d5901cc44d4248

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
Signaturej+jIleJDSXjZ6C65gaNbgSwlfo19pYUOht9I8k+0t6WzNd71caPz3aG5tjZ603HLCKKMSWpW5RK+TWyjjduhDg==
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

2026-09-17T11:04:19.028769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048688
observed 5d7c7a2d0cbec7b83a69c7515dfd6c8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:19.008290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048688/manifest.json
observed b1e68690d8bf011d9f843d008e5b99b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:18.988439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048688/publication.md
observed 65e355274f628288d022fc87b01d662c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:18.969685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048688/publication.txt
observed 9dcf9f992952e9f52822614ac6ce344f...
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.