OpenTechnical

OT-2026-000012692

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000012692) never changes.

Identity and time

Publication numberOT-2026-000012692 · never reused
Internal UUID01a0ae6d-5562-7903-81de-3a3d3ad7cb3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012692
StatusPUBLIC

Content hashes

Canonical text3fa853b52229bc7dc73a6161d8d5aec706a4760a42194fbb00779da5599fb492
Markdownbfa0695f7d908ab450f3393940bd4ad50677738376eb98552ffb666d2c501e41
PDF
Publication page780c42a28d71136772b4ea4c14226b42ea6d41ad925e3f04b76bffe916847e49
Manifest93e9ac1a6f757622292aeb6d1edf9c561f92e5f1291028c8be3a919863e8da66

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
SignatureIDbi+iZiv9rXGtxEYLPySAScXQfV3gidvIyHiwJNOzq799QPmMPR5dbkcK5FrIBY2SeEjAScVnFiziul4kAnAA==
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

2026-09-17T12:10:20.630957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012692
observed 780c42a28d71136772b4ea4c14226b42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:20.612845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012692/manifest.json
observed 93e9ac1a6f757622292aeb6d1edf9c56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:20.590581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012692/publication.md
observed bfa0695f7d908ab450f3393940bd4ad5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:20.571503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012692/publication.txt
observed 3fa853b52229bc7dc73a6161d8d5aec7...
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.