OpenTechnical

OT-2026-000015527

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000015527) never changes.

Identity and time

Publication numberOT-2026-000015527 · never reused
Internal UUID01a0ae6d-ef4a-7333-ab41-b165e8484782 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015527
StatusPUBLIC

Content hashes

Canonical texte28dbed9b1633e7b5f7a1b958d48280722fb7c16c8bd840e4f2dbb7760a2cd05
Markdown5f6068b112fa4da4de124949e3d946575f23515797f91b7ebf1cede07d9eee4b
PDF
Publication page2aae24ae8a98aa0e91f6d872fca6d2dccbb11803a08e8f76eb72743d947ea93f
Manifest56f94c4c5ba3cd1b8768698b7e7754c29e9465725420a470bb88093a76a4d363

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
SignaturePCkg330fUSYc4Fp44buet2D14BS+X7NIu2mTND2x93ubNEiUSKw8Qpy/So0Z4uSArD3E/ZG83X+YCNIu88EoCQ==
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

2026-09-17T12:06:18.254330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015527
observed 2aae24ae8a98aa0e91f6d872fca6d2dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:18.232686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015527/manifest.json
observed 56f94c4c5ba3cd1b8768698b7e7754c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:18.214382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015527/publication.md
observed 5f6068b112fa4da4de124949e3d94657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:18.192857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015527/publication.txt
observed e28dbed9b1633e7b5f7a1b958d482807...
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.