OpenTechnical

OT-2026-000034121

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000034121) never changes.

Identity and time

Publication numberOT-2026-000034121 · never reused
Internal UUID01a0ae75-df0c-766c-b7d6-95f08e6b3f17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034121
StatusPUBLIC

Content hashes

Canonical text982013b8df8237af0deec3e01c051adb98f493f6da93b6252253bdc9cd985714
Markdownc02e357f8d08103b8f30b40420ea3973207e6099ccb3724038877132a10a4fee
PDF
Publication page4ca82a2b604003b69c91f32716200f37cff588855476c50a9ae8590918063da7
Manifest7f157fb7d939e6f99c3e7fe596a95cdb0b9fd35e3d38ef12d28d992f6032492c

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
Signature3Mz9Tw7o9l3trJy4aZTbQ3wiM3aOiFK5Oy1o4efLvHAXr2SHNpKzgFfkocZvTn4t6LDC6X/JqGZBL42Vqt9XAw==
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

2026-09-17T11:30:30.655281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034121
observed 4ca82a2b604003b69c91f32716200f37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:30.636700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034121/manifest.json
observed 7f157fb7d939e6f99c3e7fe596a95cdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:30.611674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034121/publication.md
observed c02e357f8d08103b8f30b40420ea3973...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:30.589577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034121/publication.txt
observed 982013b8df8237af0deec3e01c051adb...
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.