OpenTechnical

OT-2026-000023723

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000023723) never changes.

Identity and time

Publication numberOT-2026-000023723 · never reused
Internal UUID01a0ae70-aed4-737c-894b-2454a52cf85a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023723
StatusPUBLIC

Content hashes

Canonical text781389e50f8d7a976300fd69649e3250c6ec3c70beab78493fdf8ca42451a6a7
Markdown1f518623aa62ccb7774006dbbd120e3ba882a8a5ad333f32aff6fe8768d0f593
PDF
Publication page185c75c9a485b07736f686054975220163ef76336d1ca3356c5df8bb4f9a28be
Manifesta3ad3dd399a10af71daaf062bd1f0e8a1283c06a95c9399f1d702ee5352b702f

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
SignatureeN2B1Xj0YgDp35dtFysvTrG4JqxsiMxTMuRlFWyN/z9TrjfhWSVaVOfpf43N+9MkPMmGP3KwpmmcF4t3Jz0wDw==
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

2026-09-17T11:50:03.892736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023723
observed 185c75c9a485b07736f6860549752201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:03.872142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023723/manifest.json
observed a3ad3dd399a10af71daaf062bd1f0e8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:03.852204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023723/publication.md
observed 1f518623aa62ccb7774006dbbd120e3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:03.832105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023723/publication.txt
observed 781389e50f8d7a976300fd69649e3250...
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.