OpenTechnical

OT-2026-000098937

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000098937) never changes.

Identity and time

Publication numberOT-2026-000098937 · never reused
Internal UUID01a0aea2-8286-73d9-9f6c-588c32b8f018 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098937
StatusPUBLIC

Content hashes

Canonical textb4dc771a321b1b4c420b606e126c812ecd03b4bcc8b7713b06de08369abee60a
Markdownccd408b2b5fb76081e76b9d5e7a77f9da3623fbf7ec1c74bf9cb1b834f57e31d
PDF
Publication page037e6fe58506805b57a8133fe7d3371d4f4ecc132c3e404f887ebdbd1fd08591
Manifestc6f16bc0a348e08085078d1d0acf1e55d7e9541e3d86148d1e7cadc9d29d6bf3

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
SignatureLjK5/M1o2f+1WTVwOwg81D3i/VXvlXq+zkRrUEy98vRlbmH5PzvDYbDZ+XzxLDIEbrBHm6n6Q+UNhCjo8V58Bg==
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

2026-09-17T09:30:00.126603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098937
observed 037e6fe58506805b57a8133fe7d3371d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:00.110462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098937/manifest.json
observed c6f16bc0a348e08085078d1d0acf1e55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:00.094835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098937/publication.md
observed ccd408b2b5fb76081e76b9d5e7a77f9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:00.079943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098937/publication.txt
observed b4dc771a321b1b4c420b606e126c812e...
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.