OpenTechnical

OT-2026-000055390

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000055390) never changes.

Identity and time

Publication numberOT-2026-000055390 · never reused
Internal UUID01a0ae86-a101-76ef-bd00-b9b2cc5b6ea6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055390
StatusPUBLIC

Content hashes

Canonical textbc3918b2b6be3febd702851c7ef5290f10d0c63c8ba8f020b2ffda82d38ac518
Markdown20607ac73969e6500c46bef790b79d19d97e97266b16479826b36fbce5fe4c8f
PDF
Publication page7599d4daa752daf292d3e2f4bab0ab0308985960c9821b95e823e47e841a1c25
Manifest89bf42d0039ede655bb5596ef1aaabb33ed93780b1b86ac3ee507f4e26107c34

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
SignaturelbabmKe7a7iejvaXbQeILR1ZyX5iM/GqilGhO5aDdmIpOpVqY4mL9yj+nDQWJtznLgQD7nez5DCLpZg7tZ4eDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:01.695584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055390
observed 7599d4daa752daf292d3e2f4bab0ab03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:01.677135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055390/manifest.json
observed 89bf42d0039ede655bb5596ef1aaabb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:01.659248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055390/publication.md
observed 20607ac73969e6500c46bef790b79d19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:01.642268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055390/publication.txt
observed bc3918b2b6be3febd702851c7ef5290f...
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.