OpenTechnical

OT-2026-000099682

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, 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-2026-000099682) never changes.

Identity and time

Publication numberOT-2026-000099682 · never reused
Internal UUID01a0aea2-c976-7235-884a-28a9af4f02f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099682
StatusPUBLIC

Content hashes

Canonical text94d4f3692a87fbccc448ae1bf62773e14fc872e08040446c62a20f4cbf4354cd
Markdown15174fd3fc07bf6c9ccf9fc49aa0ef06e635e5d9102f24a5e96ca5775d49c6ba
PDF
Publication page198b639c4a5dd439678453569345d41eb83d07784cc8ad47d17f6751f3a59224
Manifestf3cdc465927fe40695252d07c6d2ec84ba633ff40787f139dca8c375629d12cd

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
SignaturejQYX3QSuXRKhGD3/0TmRLpxEokmgWnGXh1ueTkEm8BP02XsLJrB8VaDPX5i1yQc7qppdiTF9lHHGmp2LBYMNAQ==
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

2026-09-17T09:29:37.660008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099682
observed 198b639c4a5dd439678453569345d41e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:37.642689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099682/manifest.json
observed f3cdc465927fe40695252d07c6d2ec84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:37.625241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099682/publication.md
observed 15174fd3fc07bf6c9ccf9fc49aa0ef06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:37.608274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099682/publication.txt
observed 94d4f3692a87fbccc448ae1bf62773e1...
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.