OpenTechnical

OT-2026-000045369

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000045369) never changes.

Identity and time

Publication numberOT-2026-000045369 · never reused
Internal UUID01a0ae7c-f76b-7c52-9471-142b9468bd45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045369
StatusPUBLIC

Content hashes

Canonical text5172e3d40eac051fd8b30fa5213ff391ac5875965ef81ce4c40afba7355749ae
Markdown50398c7fd39b0d5da7929407c20790230d636edb2f4c16be885782a51067fbe8
PDF
Publication page4f255098fe65505d2a50aaf973e7d872a1ca6ee8a1a1dc22b1d3b1bc5beb2a41
Manifest0d91fe0b2fa77eda0a828a564e3d35b8de6adfa5e442ddb9fcbe7231fdc478c4

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
SignatureL+HMktQ7lSH1d5HWwfhtRSNherBA2NDbKUpsJVgYZrFFm1UrkglDSj4GPNra2hTV+GvxV4kjpm9PErQyDPQ3Bg==
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

2026-09-17T11:10:38.698110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045369
observed 4f255098fe65505d2a50aaf973e7d872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:38.679554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045369/manifest.json
observed 0d91fe0b2fa77eda0a828a564e3d35b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:38.661108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045369/publication.md
observed 50398c7fd39b0d5da7929407c2079023...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:38.642650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045369/publication.txt
observed 5172e3d40eac051fd8b30fa5213ff391...
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.