OpenTechnical

OT-2026-000040304

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000040304) never changes.

Identity and time

Publication numberOT-2026-000040304 · never reused
Internal UUID01a0ae79-2700-7177-acdf-ec92cfbc8a25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040304
StatusPUBLIC

Content hashes

Canonical textac1ae32d09b68e37fdefa0070acfc94925bacd224c714345c22a6af50e39dad7
Markdown86230e59fb3dd501833465b92ae100d2a7faded9d944ef3c251150c28e0fa60f
PDF
Publication page07e81625cc04d4ca9c3adc4013edd67db1ffe9db6569d647f387a7ddf9c4505f
Manifest1cd57d2f4e09bf8cb0b98e2357ec5db156cd898778484bb6412ea1b38b2585b9

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
SignaturehtZ5SX3DLxT2bA4+NHrMne/oZ4l5+7hC7g1V9qmMFawqvDsR274Yqi+UvnhDLUyYMHVQDj/kZvwW/8ucrWLbCQ==
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

2026-09-17T11:19:18.028754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040304
observed 07e81625cc04d4ca9c3adc4013edd67d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:18.008357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040304/manifest.json
observed 1cd57d2f4e09bf8cb0b98e2357ec5db1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:17.989769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040304/publication.md
observed 86230e59fb3dd501833465b92ae100d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:17.969176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040304/publication.txt
observed ac1ae32d09b68e37fdefa0070acfc949...
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.