OpenTechnical

OT-2026-000046883

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000046883) never changes.

Identity and time

Publication numberOT-2026-000046883 · never reused
Internal UUID01a0ae7e-d0f5-7779-a0d9-523692c86eb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046883
StatusPUBLIC

Content hashes

Canonical textf2b497d8a5af91a075b0340597854f1037eb464a1f1809efd31af988a4c94d1a
Markdownedb58218b1ca66ef1a66fdce74a298d40fe7cdd3a1933709cac3e40a0abeecaa
PDF
Publication page2339bffd7963b8069ef2fcd7bf9ce0ef1d21f508da3695c1324632430cf28627
Manifest0dc3221f9f58c6f7af22c9720f691e3edd47bce1dccaf8482e66ea5425a8410b

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
Signature2uThXiPegCn+aAq9fhTMPoOkNMyGjB9trxIn4ET4MAusjp2iP8xjTYZde55ZZXyAwuH0UZsMLSAW7MySHy+ZCA==
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

2026-09-17T11:06:59.626001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046883
observed 2339bffd7963b8069ef2fcd7bf9ce0ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:59.607940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046883/manifest.json
observed 0dc3221f9f58c6f7af22c9720f691e3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:59.588860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046883/publication.md
observed edb58218b1ca66ef1a66fdce74a298d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:59.572034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046883/publication.txt
observed f2b497d8a5af91a075b0340597854f10...
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.