OpenTechnical

OT-2026-000043255

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000043255) never changes.

Identity and time

Publication numberOT-2026-000043255 · never reused
Internal UUID01a0ae7b-327d-7758-b5df-30d28cbcd822 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043255
StatusPUBLIC

Content hashes

Canonical textb71bba17333684c85f00430e75d4a9c5759438223d86e07cfe2bbf289c44be86
Markdown02937084f02dfa2dc2bf6d58db20167f370756ec18d9676ca56fedfbad1babed
PDF
Publication pagece5797162bb77a9941d1e489948a3cdfc1190b0106c3aa610079209fa5cfb7ba
Manifestfdf9f5ff899a901a992a65849a69ad1e2461ec95f21911f3db86406530c164ad

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
Signaturey2qtX7Cu2Y+bP8zTcunKYHUAksYKv1N+uh5RyAj+Pai02n8XbuqyD5gSBIn1UJsdScYN0OPEdebQGu8ujPyKBw==
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

2026-09-17T11:13:44.168381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043255
observed ce5797162bb77a9941d1e489948a3cdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:44.148200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043255/manifest.json
observed fdf9f5ff899a901a992a65849a69ad1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:44.129013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043255/publication.md
observed 02937084f02dfa2dc2bf6d58db20167f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:44.109697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043255/publication.txt
observed b71bba17333684c85f00430e75d4a9c5...
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.