OpenTechnical

OT-2026-000058488

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, sustained blow-off after 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-2026-000058488) never changes.

Identity and time

Publication numberOT-2026-000058488 · never reused
Internal UUID01a0ae88-f39b-7b80-ba4e-47deacce5d3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058488
StatusPUBLIC

Content hashes

Canonical text26376dba431680947fd10660d7e75a1886f5524c4f27fce4646a3758b0ee2456
Markdowne8b45d1744941bc07098b5366893886e28b0ae0990e8425a31abf3941fb5828d
PDF
Publication page028860d0e2c8e4d7516b42719e13f11cce3a9cf988f0f5d714f18937119695c8
Manifest44d4419eb09df6b28475643ce72f4614b6e20cd8645c0d792fcd85b800df41a4

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
SignatureGI7AfLJLiRfPtJ7VMvt7F+uOeYUs32BdzC8zP1lILqYNPHvgacboCdHKZKZANjNJ+J3OdxorukGpnVVdqlMvBA==
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...

Independent retrieval

2026-09-17T10:46:56.697312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058488
observed 028860d0e2c8e4d7516b42719e13f11c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:56.679040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058488/manifest.json
observed 44d4419eb09df6b28475643ce72f4614...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:56.663500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058488/publication.md
observed e8b45d1744941bc07098b5366893886e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:56.646092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058488/publication.txt
observed 26376dba431680947fd10660d7e75a18...
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.