OpenTechnical

OT-2026-000018936

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000018936) never changes.

Identity and time

Publication numberOT-2026-000018936 · never reused
Internal UUID01a0ae6e-d522-7fff-8467-00da255e4140 · 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-2026-000018936
StatusPUBLIC

Content hashes

Canonical text8cb9ce8b94e8c852300cddce9fe75b343376d96e1b7eb2fb4765fe7cddcb64ed
Markdown129820d673f1066ec5c107795530b0aae5b6c8990961b4ac330de9d0b58a5701
PDF
Publication page04ea355fade8821785b5f67d6d9529b52e54d274d67769d1dbbe4ee65dc78964
Manifest8449a7add1e728ceea5e52a2cbdc82781938959f91edbfd181c7cec601135895

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
SignatureUoqmKX5iMuOpGT/MWP48XFgzje0LcIqtRxDND8R8aeE+jfWoSUAebOzu9RcghzKehP4vHj+xcxLnfewFeRQeAg==
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

2026-09-17T11:59:36.061106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018936
observed 04ea355fade8821785b5f67d6d9529b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:36.044776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018936/manifest.json
observed 8449a7add1e728ceea5e52a2cbdc8278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:36.028702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018936/publication.md
observed 129820d673f1066ec5c107795530b0aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:36.013211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018936/publication.txt
observed 8cb9ce8b94e8c852300cddce9fe75b34...
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.