OpenTechnical

OT-2026-000048904

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000048904) never changes.

Identity and time

Publication numberOT-2026-000048904 · never reused
Internal UUID01a0ae81-134b-7e69-8ae1-656cfdeb3289 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048904
StatusPUBLIC

Content hashes

Canonical text3cee6931055de4ff393f38aa605cbbd83c76650dde16a7ab60a7bf47deeb7f8b
Markdown0fe7d24a887487ca44cfceaaa62551dccf3c4fe97f0a4cf75bcb6c4b59fe2a3f
PDF
Publication pagefe976cdd102ed5f222d6c49c1ddc8f1a4a984ff6c436cb8c42688b87f709abc8
Manifest4321d12b9a282a43e1f708387dd5ea95b03d86e063c862d5a14b5da1148d5cbb

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
SignatureKRTGD5KPCo9dR0EV8tyuLY2FMgt3Q8TjP17nsUZAxobIN7TVOcsQtkSmG1e/XW2S3v8t2hs6DRJ8Vd+y0sQtAw==
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

2026-09-17T11:03:04.418904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048904
observed fe976cdd102ed5f222d6c49c1ddc8f1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:04.400916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048904/manifest.json
observed 4321d12b9a282a43e1f708387dd5ea95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:04.384207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048904/publication.md
observed 0fe7d24a887487ca44cfceaaa62551dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:04.365361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048904/publication.txt
observed 3cee6931055de4ff393f38aa605cbbd8...
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.