OpenTechnical

OT-2026-000018687

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single 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-2026-000018687) never changes.

Identity and time

Publication numberOT-2026-000018687 · never reused
Internal UUID01a0ae6e-d520-7a94-bbcd-ae088e24f336 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018687
StatusPUBLIC

Content hashes

Canonical text999c466f130830919ec413805ebf9ce7c5200054de1a7d113cd5bd77b9176dff
Markdownf87d7caa3b122b5216280d9cbd285fdfbb21476a292df29e55c7d5d5a62a66a6
PDF
Publication pageee093524ffbcc3ea21b41279b95633f599b725e5f839584d4b87bb5824e65841
Manifest6ad17bead3bd0f5834ec27fb1442efb430beeaf66a78a7fd64bc7f547473c9dc

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
SignaturejXygPf35AeOtAAGQVnpZ9/m2sZ3/+w55l1InXXHFyI2xNe+4wsEaLVEldjR0IHXUuMV/nzGwcKP+1RNaoqXRDQ==
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

2026-09-17T11:59:17.196504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018687
observed ee093524ffbcc3ea21b41279b95633f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:17.178396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018687/manifest.json
observed 6ad17bead3bd0f5834ec27fb1442efb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:17.123460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018687/publication.md
observed f87d7caa3b122b5216280d9cbd285fdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:17.073158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018687/publication.txt
observed 999c466f130830919ec413805ebf9ce7...
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.