OpenTechnical

OT-2026-000095026

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, 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-2026-000095026) never changes.

Identity and time

Publication numberOT-2026-000095026 · never reused
Internal UUID01a0ae9f-2df0-7783-92b4-a06265e4d32d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095026
StatusPUBLIC

Content hashes

Canonical text442aed3a6d35e34648366bd3f7357ec3c563a4523efef7a19988f2dde5f3802c
Markdown6bc0053f58205ad142fe802f7a4aee3711fcf4f2eba8e9fef46b558712c8b0ba
PDF
Publication pagefc35f08b30a9efecc1970644db3ffece1c00754b80156fd77f477feca2aaf009
Manifestf5dca5c6be58a0fad6054aec5dd701a2dcbf8273e046b726b31de8806d9e7cc2

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
Signatureq/IvOzPcGiF0VqWOJAujplTzMvLANMcs3qzEFk9G9TOaKxRsvH8/RLIeRP9fpWPx15oz/6xiFptbmojGYmDZDw==
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

2026-09-17T09:37:35.235842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095026
observed fc35f08b30a9efecc1970644db3ffece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:35.218936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095026/manifest.json
observed f5dca5c6be58a0fad6054aec5dd701a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:35.200792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095026/publication.md
observed 6bc0053f58205ad142fe802f7a4aee37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:35.182570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095026/publication.txt
observed 442aed3a6d35e34648366bd3f7357ec3...
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.