OpenTechnical

OT-2026-000060461

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, vented 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-2026-000060461) never changes.

Identity and time

Publication numberOT-2026-000060461 · never reused
Internal UUID01a0ae8a-b7cb-7594-a5cd-cf766b68bfc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060461
StatusPUBLIC

Content hashes

Canonical text67a87cb219b38c5ca8b02c48f020033cb3b1ea24c8a16411fa4da39792154049
Markdown003cd5d2d8ef7a34d4ee0e39c862d3f85afeb6633a4db6965c300e2dc529ca4b
PDF
Publication pagebf8e92ef3b915aa058de10fb33b5c6f6a0cab9c1ced8c49395430a7f7ece9a19
Manifest90d3185df7fe5c5a7ccbdad95f4c9cd2214c74129db280914d1f448954fa4a26

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
Signature6VDO2fUvM0zRmVJhcWoTvo4neePXIoIl6V4+dlEijhVyrNj1RGPZHiHVb7ricN3CwDQ94cEErIrWTeVG21YXBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:56.813710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060461
observed bf8e92ef3b915aa058de10fb33b5c6f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:56.796019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060461/manifest.json
observed 90d3185df7fe5c5a7ccbdad95f4c9cd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:56.776817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060461/publication.md
observed 003cd5d2d8ef7a34d4ee0e39c862d3f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:56.758919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060461/publication.txt
observed 67a87cb219b38c5ca8b02c48f020033c...
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.