OpenTechnical

OT-2026-000067867

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000067867) never changes.

Identity and time

Publication numberOT-2026-000067867 · never reused
Internal UUID01a0ae8f-c4fc-7844-b3ae-a0c588a49544 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067867
StatusPUBLIC

Content hashes

Canonical textca33f22356bf9ccc4f85da8e2f63480aef14aabc7171d6996263e4f07780e940
Markdown3fd56aa7ad4b01d457d068676ed3f9a2160998d9aaa6cffa7f89b26d4a605a0f
PDF
Publication pagebabd800223e049de113bbf1e50c2fd9b94266a151dcc059c2c98a95ffc343cde
Manifest950eb74470484c1ba95380d97202dd429a1bb5035f977977b7c7a513ab89008e

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
Signatureo79CUwtLqeVgPndLHdKFodOP61GOICgzuUda8boU8j9+IK9lPo0QMPelltohKqV8D1Z3lMJHVCxfKRldOXT7AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:15.164407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067867
observed babd800223e049de113bbf1e50c2fd9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.143521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067867/manifest.json
observed 950eb74470484c1ba95380d97202dd42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.118756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067867/publication.md
observed 3fd56aa7ad4b01d457d068676ed3f9a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.099630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067867/publication.txt
observed ca33f22356bf9ccc4f85da8e2f63480a...
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.