OpenTechnical

OT-2026-000019316

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000019316) never changes.

Identity and time

Publication numberOT-2026-000019316 · never reused
Internal UUID01a0ae6e-f392-7873-b47a-a70b4dd06db6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019316
StatusPUBLIC

Content hashes

Canonical text17a489d12ef2c0ad82651e52911344d198677a03ad524a38c442d24619480fbc
Markdownb0309aab8da67de6053cf0d316a24d45d497c48cbb501cccd40e736e9b98e73f
PDF
Publication paged5382031cd35bdbb235d0397cafa176c83d8796576f2fc924c882f2b194bfc8c
Manifest444e75a9ac3f35707dd97547e09399a2ed67fffddbdf1f41bc7724af0deb2614

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
SignaturefffT8Bl72m3qGWUPbCSugZQVjpNm71Xc8c19THoXQ4x1uIm1QC339gKs7KSWVMOiKkWhtCecsL0SlvPH3gH0AA==
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

2026-09-17T11:58:40.734841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019316
observed d5382031cd35bdbb235d0397cafa176c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:40.718569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019316/manifest.json
observed 444e75a9ac3f35707dd97547e09399a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:40.701090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019316/publication.md
observed b0309aab8da67de6053cf0d316a24d45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:40.680934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019316/publication.txt
observed 17a489d12ef2c0ad82651e52911344d1...
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.