OpenTechnical

OT-2026-000089704

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000089704) never changes.

Identity and time

Publication numberOT-2026-000089704 · never reused
Internal UUID01a0ae9c-1a22-7d43-bf30-63fa639348d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089704
StatusPUBLIC

Content hashes

Canonical textbceb5c5f15f0ec5f37262ab80fa33a47f4bd1db206d36159f7913fc841790fbb
Markdowne91e88a2e33b601994d167761a892530e9187aa2d4b7fa9069c4a56a605945b7
PDF
Publication pagee632f85d975c31600dbb2d3c04e6b1d4b479c35ccec00d027d299e2041a6261e
Manifest96fdea8d6ece9fdef78cee628a96ee91909a928be3c5dcbece517ccc1d143211

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
SignatureRyiXkRuEVmSC3xfEPiLyYc8p9scBTVSy9o8uhHVYjrl21b/exwVWilJ7RG6On1Z98kW7wMYhRavex0MnrcdEAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:42.320640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089704
observed e632f85d975c31600dbb2d3c04e6b1d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:42.303591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089704/manifest.json
observed 96fdea8d6ece9fdef78cee628a96ee91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:42.286387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089704/publication.md
observed e91e88a2e33b601994d167761a892530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:42.268319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089704/publication.txt
observed bceb5c5f15f0ec5f37262ab80fa33a47...
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.