OpenTechnical

OT-2026-000015604

Publication integrity record

Two bellows cup vacuum gripper, 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-2026-000015604) never changes.

Identity and time

Publication numberOT-2026-000015604 · never reused
Internal UUID01a0ae6e-0c4a-7718-9b34-30f821515262 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015604
StatusPUBLIC

Content hashes

Canonical text1d13119b9e73972125b073d75d8ce20f61fa80f6a799d8ca161be6a6b8568242
Markdown98044aeac647ef507b5851b304d21435f97233ff68c5d33af6ed12ed11a5bf2a
PDF
Publication paged68512971432a6f9eff4570730ba3f6bd34a05bdebec1c1fb60dd4b5153989c1
Manifest591a0643f43400ce88603ecdd89e01fc51bb766e1c5a323765a3dbf8036a8aa7

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
SignatureDwFy02ioDx6D/kwK1lFwoDI9ei07tkjTE6g2aHIvbk97pm57uytjn8HUOPrSERN52vbjXFKWXzaZ2I+n5RTHBA==
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

2026-09-17T12:04:50.821739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015604
observed d68512971432a6f9eff4570730ba3f6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:50.766053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015604/manifest.json
observed 591a0643f43400ce88603ecdd89e01fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:50.746203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015604/publication.md
observed 98044aeac647ef507b5851b304d21435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:50.689814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015604/publication.txt
observed 1d13119b9e73972125b073d75d8ce20f...
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.