OpenTechnical

OT-2026-000048929

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000048929) never changes.

Identity and time

Publication numberOT-2026-000048929 · never reused
Internal UUID01a0ae81-134b-7da4-9cd6-d01124e6ca47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048929
StatusPUBLIC

Content hashes

Canonical text8bce1b0faa8e482e2928cd2548f9ff6b02e9ecc5ac2fb69954e7ab2d986285b9
Markdowna9b7ab850dd65acf33077c05c7eae27590910723cee554381f6a5dd8d4b2bd2f
PDF
Publication pageedf73d89f96735edab3aff2e7828f2b966a64a66a62c62707a70af78fc76f03d
Manifeste5cac79cc861852c24b943b6923699a66c5358f71cbbd0afa23dd4325d1a450c

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
SignaturezeGbavUlbx2Oa8nWFYSc8+LgaS/sDTG10MsTNCfbG8yFa0/fDKZk2AxE2PxLMiXilYWHhkVQyr2u5hxyHMr2CA==
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

2026-09-17T11:03:06.531942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048929
observed edf73d89f96735edab3aff2e7828f2b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:06.515196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048929/manifest.json
observed e5cac79cc861852c24b943b6923699a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:06.496975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048929/publication.md
observed a9b7ab850dd65acf33077c05c7eae275...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:06.478396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048929/publication.txt
observed 8bce1b0faa8e482e2928cd2548f9ff6b...
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.