OpenTechnical

OT-2026-000026855

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, pulsed blow-off before 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-2026-000026855) never changes.

Identity and time

Publication numberOT-2026-000026855 · never reused
Internal UUID01a0ae72-3452-7be1-9442-4e12c153cdac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026855
StatusPUBLIC

Content hashes

Canonical texta8eab68c8cf789e9b5466b7ec5167afef0f27a8de54d4594f1375c760e18b556
Markdown905ecbcbc1211eccbb76bf43fce0049d70ca6c3f16d85b39beda5d7a7e19cf9d
PDF
Publication page25d04df6ccdf906b12b735666605cc4c125e1ac17cbc56dd6533763edfb8f0c3
Manifestefa1005be4ec985803db4850ef6748f6ddca3cef4962ece64ab251827401642c

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
SignatureboIJkxNyF1oibMay85P3wvYv22MtEYzl5UsuJUitQEDITi0dDGlHmc5iNRDPfLbnEWuJVY+469sHDDP6nnYSAQ==
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

2026-09-17T11:43:27.173997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026855
observed 25d04df6ccdf906b12b735666605cc4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:27.156015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026855/manifest.json
observed efa1005be4ec985803db4850ef6748f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:27.140017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026855/publication.md
observed 905ecbcbc1211eccbb76bf43fce0049d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:27.122751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026855/publication.txt
observed a8eab68c8cf789e9b5466b7ec5167afe...
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.