OpenTechnical

OT-2026-000010617

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, sustained 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-2026-000010617) never changes.

Identity and time

Publication numberOT-2026-000010617 · never reused
Internal UUID01a0ae6c-0ee8-734c-a7a7-abef3dd05116 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010617
StatusPUBLIC

Content hashes

Canonical textbf093d31682039c925bdc3ac189b074138993324ed13b52c6799d3afa60c7ea4
Markdown20064a752e7035fc0b195f5284414c0ab93414cbb22d9fdde7a4898149063543
PDF
Publication page6f46973ed31a9bfb072e06a24230f206fd2d3f554fdc820cb6605520b927e3f0
Manifest4d88bba9d9a98392f6b6a4fc3492795ee85b7eae1fe39e723a5f7ab7149a8905

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
SignatureC5nIRthGTiV4YkKJFU3oPpene2+umYuaCdochUhO/sjFbp5emZHTsRA0Zqkv3L1CW+EMrDThMuRU1uqi2lGmCQ==
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

2026-09-17T12:14:48.586285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010617
observed 6f46973ed31a9bfb072e06a24230f206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:48.568336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010617/manifest.json
observed 4d88bba9d9a98392f6b6a4fc3492795e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:48.547901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010617/publication.md
observed 20064a752e7035fc0b195f5284414c0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:48.528821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010617/publication.txt
observed bf093d31682039c925bdc3ac189b0741...
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.