OpenTechnical

OT-2026-000052253

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000052253) never changes.

Identity and time

Publication numberOT-2026-000052253 · never reused
Internal UUID01a0ae83-e791-7bbe-87e7-d8642d06d113 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052253
StatusPUBLIC

Content hashes

Canonical textb558fd75c06c91b10c7941d2c76b4b8e4f2cad93d5ebe9876e3d336d3893f3bc
Markdowna240fef541374472e4e6e3c923ffe74489bde78a41b4d318679f9fc297469964
PDF
Publication page22de1a153ff5e98dfb6f71851eaf764e532d6a1f83a5bb146808378eccb575b5
Manifestf922e21080c74c2f0454cecfed1d5e6a0b387f7249ac20402c252c067ddb10c0

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
SignatureLZg1cG8HDbHucwBaLRl9GiBK3D+y1PcfPg3yXKJHlZKsroPl+1c6/vk4Cz5hByaiDaFk1By3KFHHLnacIbE3AA==
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

2026-09-17T10:57:50.163352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052253
observed 22de1a153ff5e98dfb6f71851eaf764e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:50.146799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052253/manifest.json
observed f922e21080c74c2f0454cecfed1d5e6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:50.127697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052253/publication.md
observed a240fef541374472e4e6e3c923ffe744...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:50.109543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052253/publication.txt
observed b558fd75c06c91b10c7941d2c76b4b8e...
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.