OpenTechnical

OT-2026-000041995

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000041995) never changes.

Identity and time

Publication numberOT-2026-000041995 · never reused
Internal UUID01a0ae79-e8a7-7195-86a7-2cb5bf736ddf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041995
StatusPUBLIC

Content hashes

Canonical text0ff1d4fcc009f7f6e8b1558d93e9a90dd9fbd5cdbfc9c923556bee043091540e
Markdown6d30428cf05dd30f47470058a49df8c96f9539d94e7eb7630bd6ac4200172581
PDF
Publication page3ce71e88813b257b8273611e1d396f953c881a32583790b7ab37b661cc3fd333
Manifest107bf9ef27162a318fd0cab28d182d516dec03cf7daae3419a2f03f4a79249fa

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
SignaturezYAxqagmS6RkpWun1NNWk1ShSOrKE8fC2/ndRAMsTY02thWtyNjd/+SYbS/gsGcoMEIEIDi2SmLYCfINwdFlAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:16:53.528002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041995
observed 3ce71e88813b257b8273611e1d396f95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:53.511988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041995/manifest.json
observed 107bf9ef27162a318fd0cab28d182d51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:53.495882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041995/publication.md
observed 6d30428cf05dd30f47470058a49df8c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:53.479637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041995/publication.txt
observed 0ff1d4fcc009f7f6e8b1558d93e9a90d...
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.