OpenTechnical

OT-2026-000026693

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000026693) never changes.

Identity and time

Publication numberOT-2026-000026693 · never reused
Internal UUID01a0ae71-f4aa-78c7-b7e0-423b1bb0b4cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026693
StatusPUBLIC

Content hashes

Canonical text6f52ab59aa6b019230dd3bad4506492c59ccc76c744d64ee21b3b743e649a4b9
Markdown8c870ec0ac02574dfc1017719cc882ce2334b6f47557e9210a574ab75d07475d
PDF
Publication pageed694f89f65fc9b70ff66312cb96920ea87a7f331bcd4ec61b0b38dae3df1f0c
Manifest877ac40c6fa6f2bfc32859dae26c89ea6e6e43854cf9c9bf3036590de6b3e227

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
SignatureziRWkgRN82q7CDTFwoAjfjjqABR0OBSgtEZy2Djjd4xXavb5CjM2Y625gYQN1zZquudDNsmQogKjo4YU+f10DQ==
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

2026-09-17T11:45:46.940138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026693
observed ed694f89f65fc9b70ff66312cb96920e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:46.920781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026693/manifest.json
observed 877ac40c6fa6f2bfc32859dae26c89ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:46.900099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026693/publication.md
observed 8c870ec0ac02574dfc1017719cc882ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:46.882215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026693/publication.txt
observed 6f52ab59aa6b019230dd3bad4506492c...
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.