OpenTechnical

OT-2026-000029096

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000029096) never changes.

Identity and time

Publication numberOT-2026-000029096 · never reused
Internal UUID01a0ae73-2a9f-76ab-b775-435cc2c055cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029096
StatusPUBLIC

Content hashes

Canonical texta1136e5a89514ef3393a35be8e9568420584daf00d2b91cf72635b5e13898bb2
Markdownf57d82f8a032a11515e3f37dd219fd4d5e1ee5a1bc8c15866955ba600e3df73f
PDF
Publication page0a9a4ae9d9e6529e24eb5cef41590cac9ac47723d238cecb2420af0cd7d7828c
Manifesta698d8502b1b67d604754f0c7fdeef569adce181708531eb3995df99f00e314d

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
SignaturepoQ8Vy9mvyD1mQJAJnWUjyHaqzbEx6JHLdw+KcacBG5Wj4T6FtUhwIqPlB3guakkcm6ndJMZW2d+400gTNlTAg==
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

2026-09-17T08:20:50.205549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029096
observed 0a9a4ae9d9e6529e24eb5cef41590cac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:50.187829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029096/manifest.json
observed a698d8502b1b67d604754f0c7fdeef56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:50.048414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029096/publication.md
observed f57d82f8a032a11515e3f37dd219fd4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:50.031431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029096/publication.txt
observed a1136e5a89514ef3393a35be8e956842...
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.