OpenTechnical

OT-2026-000018718

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000018718) never changes.

Identity and time

Publication numberOT-2026-000018718 · never reused
Internal UUID01a0ae6e-d520-71e7-97d8-9a757f9ceed4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018718
StatusPUBLIC

Content hashes

Canonical text2182799c7b491bdc454c723d8b1d7a3f3315b6526b219439120cd3f3b9f1037e
Markdown8434e3fcffeea3dffa52426d95d90f975fe50bff6cf663d5bbc845548bea729f
PDF
Publication page1bab5155cd064204e115de7a8b62f90b3725f121a03789459548ba97f3a75a16
Manifest74cdb742ffdd32a8d97d2ffc84078c9e671dce952d53eb4ebd8701fcde713726

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
SignatureTIeWshwzVbxqeQmaqO5m/ke2Ogw5T/04RELE8HRFatEB1Jrdy7IgDnPIaJCauR6N7OaAjI8UZJqdL94SprElAQ==
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

2026-09-17T11:59:19.385152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018718
observed 1bab5155cd064204e115de7a8b62f90b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:19.367974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018718/manifest.json
observed 74cdb742ffdd32a8d97d2ffc84078c9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:19.350692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018718/publication.md
observed 8434e3fcffeea3dffa52426d95d90f97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:19.331916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018718/publication.txt
observed 2182799c7b491bdc454c723d8b1d7a3f...
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.