OpenTechnical

OT-2026-000017770

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000017770) never changes.

Identity and time

Publication numberOT-2026-000017770 · never reused
Internal UUID01a0ae6e-96fa-7a4d-8dcf-b12c27a5f426 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017770
StatusPUBLIC

Content hashes

Canonical textfedb5d3b5b72070323561939374708d9bf668409764c983d243d03879d640ead
Markdown6fb48d80b0a5d2099988cceb7003415d249e25ae971049048eeb9f17ac04f6d8
PDF
Publication pagef943f39e1a0e3faa4ee9719261654866d84fa04a28b56fe31c2bc32cf9b11391
Manifestf26b3dc5a45b534bc74d2eaaaaa005d45fc1103cddab81e88ce601a25ebe6e0a

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
Signature+3mg/2O5Dunh3SQwl43W7SIk8N/QZfXZmCRnTICb9TXN38VadUFEcocKK8iiqpkVlbPnNu21l2cNFeKGih+3Aw==
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

2026-09-17T12:01:43.659376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017770
observed f943f39e1a0e3faa4ee9719261654866...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:43.642469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017770/manifest.json
observed f26b3dc5a45b534bc74d2eaaaaa005d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:43.625165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017770/publication.md
observed 6fb48d80b0a5d2099988cceb7003415d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:43.609489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017770/publication.txt
observed fedb5d3b5b72070323561939374708d9...
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.