OpenTechnical

OT-2026-000053015

Publication integrity record

Three cup vacuum gripper, three zone face, 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-2026-000053015) never changes.

Identity and time

Publication numberOT-2026-000053015 · never reused
Internal UUID01a0ae84-a430-7cfe-b3dd-b7da9546ed02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053015
StatusPUBLIC

Content hashes

Canonical text33ab588194f1543dc5f97f1552c37737371e81312a8eebb6223da8e16fbbace5
Markdowne71957630ffd895817386ee912536918e74af211e2d2e57be218b9c786ee085e
PDF
Publication page9afa959f83b6b4a58df1336d47222684e2deb7e5aab521b280c42020f1142a5e
Manifest83f00d38ec92c9671b89b36d6c42ae56b244c9e2fe25087333ea75622fa615ea

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
Signature6/Z2V+2UZjF2c20zf6HgPsWZ6X5Wy5Zw8ZTf0ewLYvz+gEjFjQaKIDQiAEdS0eBMpglNsl55EXgqIG+uJLp5BQ==
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

2026-09-17T10:56:42.898363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053015
observed 9afa959f83b6b4a58df1336d47222684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:42.877598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053015/manifest.json
observed 83f00d38ec92c9671b89b36d6c42ae56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:42.860010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053015/publication.md
observed e71957630ffd895817386ee912536918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:42.840747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053015/publication.txt
observed 33ab588194f1543dc5f97f1552c37737...
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.