OpenTechnical

OT-2026-000012842

Publication integrity record

Foam pad vacuum gripper, two stage ejector, 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-2026-000012842) never changes.

Identity and time

Publication numberOT-2026-000012842 · never reused
Internal UUID01a0ae6d-5563-7a9b-9d28-6b1ce117908d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012842
StatusPUBLIC

Content hashes

Canonical text59e9bd8bbcc9ce6012e86ff5e0174a5d8939a7248df2699c7d36afad10ac9419
Markdown7aefe3126b79ba0ed782cf31e7881b3b152f7ae5f501c1b7f389000ad8601e22
PDF
Publication page968991b1fb83d1c9726fce754a5316919e4edb6e3130db8a2dc667bf8a419a66
Manifestd7bce6d222cc4d6e6c40c8eea70dd52b45b6b06191973f353580399bbd6cbb99

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
SignaturelHbwBFP4xzW47ueibLOWEVIGuhXwGCd6lZyR+Py60kQ7iEKixPEenS1axS/3aFj29h7Pz9A/BBZlYCdWohd1Bg==
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

2026-09-17T12:10:36.581335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012842
observed 968991b1fb83d1c9726fce754a531691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:36.558979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012842/manifest.json
observed d7bce6d222cc4d6e6c40c8eea70dd52b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:36.538295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012842/publication.md
observed 7aefe3126b79ba0ed782cf31e7881b3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:36.520036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012842/publication.txt
observed 59e9bd8bbcc9ce6012e86ff5e0174a5d...
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.