OpenTechnical

OT-2026-000047659

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000047659) never changes.

Identity and time

Publication numberOT-2026-000047659 · never reused
Internal UUID01a0ae7f-c41e-7ebb-a849-877671506af9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047659
StatusPUBLIC

Content hashes

Canonical texteaaaf2e460e91d012d1a4d558e683c67e7dd329d0dd4e1d07668d4811396f783
Markdown58f08c362c7724e48d2add19fee72938f9c16aed7a6228bccae156c5be7feeb7
PDF
Publication page8f22198e6bf6b63d33605a3fd0e1cbf3d1a6738e0de35193cafffcc5fa0ab9ea
Manifest56cbf253ee7cdb57502ec6cb7fd1cf2c50d8b1ea2ddde3f369f84ad5ce0c6b37

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
Signaturej2QhIigmiWWWE5rkFAA9s27lxVac21izFMWNdvZpj9eOHuzOMLviR7QoaGMRiYQjXcP8+ZQ/iQa9GKXVYUt7AA==
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

2026-09-17T11:05:29.836886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047659
observed 8f22198e6bf6b63d33605a3fd0e1cbf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:29.819806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047659/manifest.json
observed 56cbf253ee7cdb57502ec6cb7fd1cf2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:29.799708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047659/publication.md
observed 58f08c362c7724e48d2add19fee72938...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:29.779734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047659/publication.txt
observed eaaaf2e460e91d012d1a4d558e683c67...
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.