OpenTechnical

OT-2026-000026682

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000026682) never changes.

Identity and time

Publication numberOT-2026-000026682 · never reused
Internal UUID01a0ae71-f4aa-7e63-a206-23681c5cdc32 · 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-2026-000026682
StatusPUBLIC

Content hashes

Canonical text77e1484717e422d4f3ed79b133253a1009d92b99cac14dfcef8c11679813751d
Markdown7b9361b6ee0590c877959782064f458f68de15032196153ba1141b2295de2587
PDF
Publication page28a035ec7a5b85763f9038d99da71b95c35de571eac13767a2a1e208affa8500
Manifest2cd4e7a2e79bec17044dc1d3bf13c9ac3370196ff5fdbb54e361383e930c53c0

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
SignaturebmTS8i7SxoXrZR4rXcDz0dz+BCfa4Dn1ZMV7e66Nm0L0VMg9Ekn6L0KhR/PrVNtAooLBlLWLo2TLzwaB968TDQ==
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

2026-09-17T11:45:46.133356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026682
observed 28a035ec7a5b85763f9038d99da71b95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:46.113683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026682/manifest.json
observed 2cd4e7a2e79bec17044dc1d3bf13c9ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:46.095136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026682/publication.md
observed 7b9361b6ee0590c877959782064f458f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:46.078100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026682/publication.txt
observed 77e1484717e422d4f3ed79b133253a10...
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.