OpenTechnical

OT-2026-000026525

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000026525) never changes.

Identity and time

Publication numberOT-2026-000026525 · never reused
Internal UUID01a0ae71-f4a9-73b3-9533-7e94fa786a62 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026525
StatusPUBLIC

Content hashes

Canonical texte2b6f4f88dfd30b3e4e68a145bb72cc5d3b39fbe5a77d78fa20cc80ea495630f
Markdown5a6871d519d062d98059e8681729db7a61194bda30872476b32994a5782d083b
PDF
Publication page20c391fc66cee4825f2989a5f82d663cdd1c0a74397498944acf21462d2bdb84
Manifestb3a281dcbb54346dc7a5dadb6c3798d780193c19028b0836195f7983490a16bb

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
SignaturejFNrAgrAYLAgNyE+9jOoCdvkKozSsrOZWMIH+NIDs/8N7mH9/IaMzKb0NkWmaE0yjivMq8ByKcWcnynY4FV4BA==
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

2026-09-17T11:44:39.249598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026525
observed 20c391fc66cee4825f2989a5f82d663c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:39.230383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026525/manifest.json
observed b3a281dcbb54346dc7a5dadb6c3798d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:39.199922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026525/publication.md
observed 5a6871d519d062d98059e8681729db7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:39.170672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026525/publication.txt
observed e2b6f4f88dfd30b3e4e68a145bb72cc5...
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.