OpenTechnical

OT-2026-000057075

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line 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-2026-000057075) never changes.

Identity and time

Publication numberOT-2026-000057075 · never reused
Internal UUID01a0ae87-d5b7-78da-b436-132b2946f094 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057075
StatusPUBLIC

Content hashes

Canonical textbbe3a92d5bfd29fcd5d390d1ffabaed799db7ad9f8d2e85398c766621299d148
Markdown52a9d5366d8d32c43a2a8e75aa928780ae58515a9004d6f0f05d9eae28be37ad
PDF
Publication page26d3c6f1ac6197768b46ee7165c09e027b80ffdc5025003ddccec27c30fdd596
Manifestcaa97716b1c7c21ca1e2752dd76955e7d1651923d68c6e7cbd3dc452f8a64c74

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
SignaturenNyJGRpd97VVI6rdV3SgPqe8m+lOTU7KLcScCqCDfJTjDR7UEMlCl95OgX2Bk1K0UVMmsfF9tDb0W+KunfXWBg==
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

2026-09-17T10:48:34.079923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057075
observed 26d3c6f1ac6197768b46ee7165c09e02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:34.062467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057075/manifest.json
observed caa97716b1c7c21ca1e2752dd76955e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:34.045570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057075/publication.md
observed 52a9d5366d8d32c43a2a8e75aa928780...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:34.027838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057075/publication.txt
observed bbe3a92d5bfd29fcd5d390d1ffabaed7...
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.