OpenTechnical

OT-2026-000034148

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000034148) never changes.

Identity and time

Publication numberOT-2026-000034148 · never reused
Internal UUID01a0ae75-df0d-79ac-b693-1fc97e8dbe13 · 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-2026-000034148
StatusPUBLIC

Content hashes

Canonical text0932cff88028eab2136662dc23f896b9478e4463d34216ba8410fbe837327c40
Markdowne27dc9ea2874d0f4b89f504bff36ef0c89ca29c5f7cf2139165329b86424f543
PDF
Publication page7716e8fff4120d78af307a8d5375d6b82a790ccb64a259afb26e8dcee68abd26
Manifest56705092469ae45bac026f66e3464336a996b3cfaddc665074d54a2a6d1c0769

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
Signaturek8TFLaWRt6GeaBu/7UeBX4WB7TbVfkIx9L24BZ5MPSynQ/g8EU2hL11PIs1PbMAxeVXpaSnzlXoZ2gvMCdSNDQ==
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

2026-09-17T11:30:32.813482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034148
observed 7716e8fff4120d78af307a8d5375d6b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.796293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034148/manifest.json
observed 56705092469ae45bac026f66e3464336...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.777103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034148/publication.md
observed e27dc9ea2874d0f4b89f504bff36ef0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.758378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034148/publication.txt
observed 0932cff88028eab2136662dc23f896b9...
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.