OpenTechnical

OT-2026-000018808

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000018808) never changes.

Identity and time

Publication numberOT-2026-000018808 · never reused
Internal UUID01a0ae6e-d521-76b9-93da-5d6fb8484dbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018808
StatusPUBLIC

Content hashes

Canonical textfad031f27ad5810d5809e160ce2adddb2725f556aa9171615f60f4b32aa8fe69
Markdown208b63ac4e9d53293804869993d3512091888a986d74724ff044859282dc110b
PDF
Publication page73f36b2b092783dae020912d8ba4a38533ab206e02a379fc8bc72b99888c5a66
Manifest6c5cec38c3f83cd34f615fffaffb23bf132ed27ff4575a0ae307bab43414b9be

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
SignaturenHSrZAWtAFVdkK5d8Vct3UwLAyw+6IZX2Bppxu/sMsI9vNN3p0wQE/q8scyX6rKkTf2PUrbCHH5qKeHAvp9UBg==
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

2026-09-17T11:59:26.263909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018808
observed 73f36b2b092783dae020912d8ba4a385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:26.244937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018808/manifest.json
observed 6c5cec38c3f83cd34f615fffaffb23bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:26.226849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018808/publication.md
observed 208b63ac4e9d53293804869993d35120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:26.208351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018808/publication.txt
observed fad031f27ad5810d5809e160ce2adddb...
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.