OpenTechnical

OT-2026-000018838

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two 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-2026-000018838) never changes.

Identity and time

Publication numberOT-2026-000018838 · never reused
Internal UUID01a0ae6e-d521-7f82-9309-6376a2fb0492 · 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-2026-000018838
StatusPUBLIC

Content hashes

Canonical text277c5ffc0c49b5011af0a51939de9370b68aa99ecfaa5d10e6b86a4d369a61b9
Markdown8ee18a0d347a8874eadd59a4d5ceb5ff19afc15383e4f2661072b98005a160c0
PDF
Publication pagece643ae5140792e6015fd950fbc4009c4267f677fc980a07a97d16867d37815e
Manifestf5852c91a0999d24193af25d8a38d906944207e31df39dbe7ee04038f0bb10e4

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
SignatureZal2PwLAqlnaUc8a4x+kfhxVZQD7DJ+OL1lc8H6k+TWjHY+U711MhQtGNBlaB1PEi5FNagLq6oiYaA/R2zScBA==
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

2026-09-17T11:59:28.512151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018838
observed ce643ae5140792e6015fd950fbc4009c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:28.495359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018838/manifest.json
observed f5852c91a0999d24193af25d8a38d906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:28.477644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018838/publication.md
observed 8ee18a0d347a8874eadd59a4d5ceb5ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:28.459697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018838/publication.txt
observed 277c5ffc0c49b5011af0a51939de9370...
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.