OpenTechnical

OT-2026-000026672

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, sustained 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-2026-000026672) never changes.

Identity and time

Publication numberOT-2026-000026672 · never reused
Internal UUID01a0ae71-f4aa-7d36-9e4f-b96b499f3588 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026672
StatusPUBLIC

Content hashes

Canonical text75bd3b3adc52d518e2479e9bcb0e7356e3305df1453d70090d6b82b70d4490a8
Markdownca6d170f7e8f87f2ddc3f9aff1aa1877d744c04da779ce5c9589b5ce637c873f
PDF
Publication paged092f7ab2bb238a1a5a973be27949adfa3bd2c0a290c9d4195a51286a40cfccd
Manifest4d6200cb4f09c69f70e842f3dcabdb5db2195ea9d0c49da6b8de98f027980ebc

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
SignatureKe97Nkc4SiNdB5NRPp5XixZMAHWxR7iliSYVVsFuaG3GxKk4Vsn6cYZ/w/7QJ5iPzuyYFb2J5BUZnyQqinrBCQ==
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

2026-09-17T11:45:45.387207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026672
observed d092f7ab2bb238a1a5a973be27949adf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:45.369308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026672/manifest.json
observed 4d6200cb4f09c69f70e842f3dcabdb5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:45.352914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026672/publication.md
observed ca6d170f7e8f87f2ddc3f9aff1aa1877...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:45.336450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026672/publication.txt
observed 75bd3b3adc52d518e2479e9bcb0e7356...
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.