OpenTechnical

OT-2026-000039712

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000039712) never changes.

Identity and time

Publication numberOT-2026-000039712 · never reused
Internal UUID01a0ae78-d8d5-7e3d-8fdb-bfcce6b4c630 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039712
StatusPUBLIC

Content hashes

Canonical text78f50e33ade7b193c93c7facfcb6da69cb99cd6f63baa7411622f4042fdd5554
Markdowneb98f8b48aca765fd7a7e4feb255113a32dca60abeeb445856f7ec65e818a6bc
PDF
Publication page8575cf4bf04164066b5d6a86111c356402fa59bf71ff275303c9a9c83266a324
Manifest06e4010f5c08c26667c89d938a954a8674a922596a16e6b49c3311e90861d431

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
SignatureD+E7PoV22ZiDzXZYSZtTqU1KE/PzekqhjeZw90Bc6ERPjTKP3TUS59FPnTLSrylH6hbC6RX2oW4S472nwn/DCg==
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

2026-09-17T11:19:54.796857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039712
observed 8575cf4bf04164066b5d6a86111c3564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:54.779564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039712/manifest.json
observed 06e4010f5c08c26667c89d938a954a86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:54.761778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039712/publication.md
observed eb98f8b48aca765fd7a7e4feb255113a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:54.743566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039712/publication.txt
observed 78f50e33ade7b193c93c7facfcb6da69...
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.