OpenTechnical

OT-2026-000043801

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000043801) never changes.

Identity and time

Publication numberOT-2026-000043801 · never reused
Internal UUID01a0ae7b-d676-7557-b4a8-79cafe497aa9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043801
StatusPUBLIC

Content hashes

Canonical text756075106e938bc136efb250d9e3e3019b15efa211398ffdc0730e5dac559d1d
Markdown6d0ba60376ec82247f34b29a94c482fc495ba4a0d5e9e4544f4c4d4b40807ffa
PDF
Publication pagef6c4a3a01ac771bffe20d7c50d5a58514871cbd4211628820aae0c3cef63f6fe
Manifestbe196e0fcaaf882560b3b9264c8bdc7224ea6babf212816833b27219d0c3c20c

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
SignatureONcgsjkrPT+pSXdT82d7vCzfhjKP4eKod6VT7gMgt1FdagxMNT+riYLgJmHv+lrsDqD1+OFSfPcJxnHrfL5xAA==
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

2026-09-17T11:12:06.188168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043801
observed f6c4a3a01ac771bffe20d7c50d5a5851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:06.169152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043801/manifest.json
observed be196e0fcaaf882560b3b9264c8bdc72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:06.147796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043801/publication.md
observed 6d0ba60376ec82247f34b29a94c482fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:06.128498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043801/publication.txt
observed 756075106e938bc136efb250d9e3e301...
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.