OpenTechnical

OT-2026-000043503

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, 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-2026-000043503) never changes.

Identity and time

Publication numberOT-2026-000043503 · never reused
Internal UUID01a0ae7b-92ce-7cb1-ba04-31c219871dda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043503
StatusPUBLIC

Content hashes

Canonical textd072de918fe5352d6bcd41c1062932958f00a14c9a076d500d4c6eb3adf15bea
Markdown1b0dbe6a034ce8375c6d0ca745a448ef8e2cbed2f15c9c1c81347e0e76df95c6
PDF
Publication page75665d381c95576cae636a7a9e29962709d3e179fe458e0b5b86371048314117
Manifest1005cdc535b83cd971e123109dc91024043c425a72e3b6670ea16104d9ae4c3a

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
SignaturekwkONnOIoHZlkcoyn4691FjT6TK7CoAfT7+vVgkMFchMz2GnkQY+SP2EgsVt0UbgJaGu7rR7ME41H4E5xTx1AA==
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

2026-09-17T11:12:52.244963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043503
observed 75665d381c95576cae636a7a9e299627...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:52.225770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043503/manifest.json
observed 1005cdc535b83cd971e123109dc91024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:52.206261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043503/publication.md
observed 1b0dbe6a034ce8375c6d0ca745a448ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:52.186009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043503/publication.txt
observed d072de918fe5352d6bcd41c106293295...
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.