OpenTechnical

OT-2026-000081193

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single stage ejector, 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-2026-000081193) never changes.

Identity and time

Publication numberOT-2026-000081193 · never reused
Internal UUID01a0ae96-f373-725b-b1e5-d297a1363f75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081193
StatusPUBLIC

Content hashes

Canonical text2ea8b661ee79f7c54452c7292ed8ae666c5220ede0ed7d467ceef4830ca2e978
Markdowne8a2a6f4c535fd5c6d68e50536dbb18af9d5259ed3e23e3c0add871b8fd5f7dc
PDF
Publication pagef656054647eed5cb2f80e9beed382bb0aa398572d05475a2cad880e2e3968336
Manifest3425ef70c13ef9538b321ebe48d0266dc7cc5401d0562cf1c6a01a37d3aada46

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
SignaturezMXHHdku79j6kXAtv2DClNdfLNp8JJbZeyo49e6VS9kj0kJXIpF6vFZKyHx1Wx85l4nzATGvXDhIgnXlOOBqBA==
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

2026-09-17T10:01:15.839326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081193
observed f656054647eed5cb2f80e9beed382bb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:15.822291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081193/manifest.json
observed 3425ef70c13ef9538b321ebe48d0266d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:15.803651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081193/publication.md
observed e8a2a6f4c535fd5c6d68e50536dbb18a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:15.785147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081193/publication.txt
observed 2ea8b661ee79f7c54452c7292ed8ae66...
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.