OpenTechnical

OT-2026-000061662

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, vented 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-2026-000061662) never changes.

Identity and time

Publication numberOT-2026-000061662 · never reused
Internal UUID01a0ae8b-b8aa-7743-97a4-3da91634b918 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061662
StatusPUBLIC

Content hashes

Canonical textfcd23aac7aec5f657811c7cf456aacb3dbf041fee3493748f94224a06dbba29d
Markdownb74b70d46b79be69a3942bf134c63928a5b19337f4c6b843f70c873711431f45
PDF
Publication pagee61a32d6c5714da76093d365b738f35a34a6ca1491fbdd0f352cfc56f60a2e5f
Manifest1f3044272e389922f3a838953f463fc7db044a5f45b6696758c0fd7209b32151

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
SignaturenmscHuYWCaLj58meHaORs0zmelGNswYUQPRjmViTsZS2zfZp173m1N6q/+5F0+j+MUPH6u7cXWkHUREO0QWXDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:12.606358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061662
observed e61a32d6c5714da76093d365b738f35a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:12.586074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061662/manifest.json
observed 1f3044272e389922f3a838953f463fc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:12.566756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061662/publication.md
observed b74b70d46b79be69a3942bf134c63928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:12.545811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061662/publication.txt
observed fcd23aac7aec5f657811c7cf456aacb3...
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.