OpenTechnical

OT-2026-000100201

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, sustained 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-2026-000100201) never changes.

Identity and time

Publication numberOT-2026-000100201 · never reused
Internal UUID01a0aea3-3052-7f40-aac4-8890e0fa33b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100201
StatusPUBLIC

Content hashes

Canonical text67d7d1d785666b82156d0a178ccce8df427c11fe7a5de2f63215856b07ceac96
Markdown23cf7748112668d3e47be71f4fef64aadf6009b4ca49a7b59cd5124098e94bfb
PDF
Publication page8f8922a53e1b15011ec75294880ffa5d1a10f169707ecead635264d69513c74d
Manifest4f9cbf880a95aa8b4577a3ed9c3d0011a6b3a2b65deb2e97d99102b6181db133

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
SignatureUqUGd6BXJNIdMaVLXp0OuYIBmSfTYjJ9FKZHUUtx+p8z+UmasB+SA0eQ5psCb2HfxUPv970UdM5+XF3QHK92AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:55.340118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100201
observed 8f8922a53e1b15011ec75294880ffa5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:55.322559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100201/manifest.json
observed 4f9cbf880a95aa8b4577a3ed9c3d0011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:55.303948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100201/publication.md
observed 23cf7748112668d3e47be71f4fef64aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:55.286608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100201/publication.txt
observed 67d7d1d785666b82156d0a178ccce8df...
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.