OpenTechnical

OT-2026-000050658

Publication integrity record

Foam pad vacuum gripper, two stage ejector, vented 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-2026-000050658) never changes.

Identity and time

Publication numberOT-2026-000050658 · never reused
Internal UUID01a0ae82-c7b0-7f4b-a393-2d434ed043cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050658
StatusPUBLIC

Content hashes

Canonical textb6796dfb9bf406322ae9b926a9d3a0eb923b55850763cfa8f652a4a9236239e9
Markdown4bdffd5d8cfe3ee31315503739b973dbabe8eafadf0101ab3c543f82681b6d92
PDF
Publication page4d05309bda4fc40118277902e92715de72a0c31ee941b8e204668a20bc725bdf
Manifestc968fd108ba753a117be1fd43c9f092d07b3c42ed87a14b765025d5d6f994320

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
SignatureniQfv4xBSo6yj1QMflZL4+5fuZTdj2VZ6gxK9D3IIsDOsJX6LqBPOUddeI25qu8TTiZKAmmD3KK0L9JqS9QOAQ==
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

2026-09-17T10:59:21.577036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050658
observed 4d05309bda4fc40118277902e92715de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:21.558523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050658/manifest.json
observed c968fd108ba753a117be1fd43c9f092d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:21.540085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050658/publication.md
observed 4bdffd5d8cfe3ee31315503739b973db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:21.520048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050658/publication.txt
observed b6796dfb9bf406322ae9b926a9d3a0eb...
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.