OpenTechnical

OT-2026-000043618

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000043618) never changes.

Identity and time

Publication numberOT-2026-000043618 · never reused
Internal UUID01a0ae7b-92d0-79ed-a1be-36878c425ced · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043618
StatusPUBLIC

Content hashes

Canonical texte6c7d9b7c49077b9be0a58d88f3929930da3653f123dfcede0c2fdf440f6fcd4
Markdown9367a414b1915a08e9fbd813fc8c3e8bc92eeba7420c682b33ffa214104ffbd5
PDF
Publication page96efa8d54483dba58144143bb5cd32c7fd5f63d9c44d8fd1a325a06804ea9868
Manifestb302bc0b0100020bc9218698a6885684bf810f997b48199c311d107c7551ef5e

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
SignaturezBJ2JIcWGN9iwp0KHbo2vBK/Vsp8/B6az+EFRH7wnnHCa1Qf5m3I0kjtbcxyi/rpdS3drpaFGgjnjqQsWtWVBw==
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

2026-09-17T11:13:05.179484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043618
observed 96efa8d54483dba58144143bb5cd32c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:05.160509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043618/manifest.json
observed b302bc0b0100020bc9218698a6885684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:05.141642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043618/publication.md
observed 9367a414b1915a08e9fbd813fc8c3e8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:05.117218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043618/publication.txt
observed e6c7d9b7c49077b9be0a58d88f392993...
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.