OpenTechnical

OT-2026-000058388

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, sustained blow-off after 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-2026-000058388) never changes.

Identity and time

Publication numberOT-2026-000058388 · never reused
Internal UUID01a0ae88-f39a-794e-82b1-82e7d73f4bef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058388
StatusPUBLIC

Content hashes

Canonical texta386bfefce7ecc75394b19d6ec50901e5d33fdb4c0b16aeb095932f585054f00
Markdowna8ebe96d121218b171863709271539495f60815431f0642dfcf015e51651c5ef
PDF
Publication page16e28743688b2db69a90eaac1b4addb903c5e5b8a5a1d2cad0e598ad2e1ee36a
Manifest79d25ed632c6e26d37f6e7b37a13dc2d045dd393cba8868d5720290d17324307

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
SignatureqGfqzo3RbYxTZz9S15i4okmbvBzWh3Frd/fDZdqhOViwx4BZYYAZyBlQcMrn9DKMmAtEj9uSbL8lh9g1ZJJWDg==
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

2026-09-17T10:46:48.894611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058388
observed 16e28743688b2db69a90eaac1b4addb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:48.877730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058388/manifest.json
observed 79d25ed632c6e26d37f6e7b37a13dc2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:48.860843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058388/publication.md
observed a8ebe96d121218b17186370927153949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:48.844410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058388/publication.txt
observed a386bfefce7ecc75394b19d6ec50901e...
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.