OpenTechnical

OT-2026-000053685

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, supply line 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-2026-000053685) never changes.

Identity and time

Publication numberOT-2026-000053685 · never reused
Internal UUID01a0ae85-0a96-7e9f-a1fe-dd20193846bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053685
StatusPUBLIC

Content hashes

Canonical text04bb8d433a9b91abc4e3abfb2529ed78dccfee580bc1a5ef284e73877b18b61d
Markdowna983a4c9ae5f6d933a435931b7d343f4c2d51cc0ab5c5874754bdf9c9f4805f6
PDF
Publication page88a40961ac3fd9c7f5dc71e802a0e8c3102bbc130a347ae2ba450c49e047f381
Manifest9ab2b58cef56e723de8fd9788d8b2c4990d8478855949777456ca6ed6ecd2dc9

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
Signatureq8rudI3FZtPIRPmngmiou1cnV+pNQwh93rPoR8lhyWlAjOs1MSnml0AC2x0RB7E6//gFZiouKv+4uigDTuk4CQ==
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

2026-09-17T10:55:39.509049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053685
observed 88a40961ac3fd9c7f5dc71e802a0e8c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:39.488564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053685/manifest.json
observed 9ab2b58cef56e723de8fd9788d8b2c49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:39.377413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053685/publication.md
observed a983a4c9ae5f6d933a435931b7d343f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:34.934164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053685/publication.txt
observed 04bb8d433a9b91abc4e3abfb2529ed78...
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.