OpenTechnical

OT-2026-000037248

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000037248) never changes.

Identity and time

Publication numberOT-2026-000037248 · never reused
Internal UUID01a0ae77-7741-7f70-81ba-998ce2c77ca0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037248
StatusPUBLIC

Content hashes

Canonical textaa810445ce01557eb45a541373d85433eadd88e58a098343582453a70e702f6f
Markdown39ec6ce7bfe1cf47539f519bd7eab5ea90b3985fa72b040fb51eefb76b686ae9
PDF
Publication pagea175354c1e22bc6d61c0715b145e22238458deaaea8ad00cb2b0be5424e3231a
Manifest21312f5b4801292238cc1d5a333faebf99f0a25be106812f654f07ac1aee2a8e

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
SignaturecL+GdtIc/JuE4ma5KUvu2dpDeLJZYzOBGRqRHeAEjZu4kksBgkKsBXQfRQlPU9h1CntByr2W1Nsw2TKCHlYmDw==
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

2026-09-17T11:25:08.886355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037248
observed a175354c1e22bc6d61c0715b145e2223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:08.869925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037248/manifest.json
observed 21312f5b4801292238cc1d5a333faebf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:08.855051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037248/publication.md
observed 39ec6ce7bfe1cf47539f519bd7eab5ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:08.837714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037248/publication.txt
observed aa810445ce01557eb45a541373d85433...
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.