OpenTechnical

OT-2026-000074948

Publication integrity record

Four bellows cup 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-2026-000074948) never changes.

Identity and time

Publication numberOT-2026-000074948 · never reused
Internal UUID01a0ae93-ac2d-744f-9edb-93c673824dc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074948
StatusPUBLIC

Content hashes

Canonical textb67b302abb4d36dd51db8dee2f712cb38f526ce0e49f16ca8e320469bbc8b336
Markdownedf515a6906bd6be11362ddf86e9814def0ebe9b4361d61143d5e68d32fa7081
PDF
Publication page18cf7c10b053a5ce3e3ab0cb5661f9342deb7d352cacfafb52d2a42563e798b6
Manifest8675adea11d5335bce4a347cbb2d5f328be606b61d1a2be56ea1c428981750b9

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
SignatureMuABqkp04jTIISJVMelxH2fR4MXUJgxYtrIF9W6VG5AxPzg8GvQmZUHKgrbnVN6y6F7CJDeTZQWCvvjR2fs0Cw==
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

2026-09-17T10:18:44.639049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074948
observed 18cf7c10b053a5ce3e3ab0cb5661f934...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:44.546796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074948/manifest.json
observed 8675adea11d5335bce4a347cbb2d5f32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:44.526703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074948/publication.md
observed edf515a6906bd6be11362ddf86e9814d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:40.642250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074948/publication.txt
observed b67b302abb4d36dd51db8dee2f712cb3...
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.