OpenTechnical

OT-2026-000058223

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000058223) never changes.

Identity and time

Publication numberOT-2026-000058223 · never reused
Internal UUID01a0ae88-6edb-7d58-8805-de75424e5df3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058223
StatusPUBLIC

Content hashes

Canonical text0418dc72384eb24a062405e651025f4978c28fd16fe64edd0fdf700bf67ca622
Markdown6a088105e7b48fe7353bffb602f332d7611d696b3f55dc2d5c1be006a648adaa
PDF
Publication page24201b5f0fef06bb2a3bd1d0eb1f7c626da7dac757738ac8f53fcf1ce9a0b331
Manifestcbb36dc95dc8f5267841e5e935082b1b872f244662a3b0d374cb39199ba6ccb6

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
SignatureDz6bzahbvcBIrmCd5UBKa6b5t7drnbcl4i9aEinJyh//lsnmvDPa24KvNfZZiaUDHWB6QTQxXJWig4goTPNDCg==
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...

Independent retrieval

2026-09-17T10:47:55.837512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058223
observed 24201b5f0fef06bb2a3bd1d0eb1f7c62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:55.819141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058223/manifest.json
observed cbb36dc95dc8f5267841e5e935082b1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:55.800032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058223/publication.md
observed 6a088105e7b48fe7353bffb602f332d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:55.781519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058223/publication.txt
observed 0418dc72384eb24a062405e651025f49...
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.