OpenTechnical

OT-2026-000049235

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000049235) never changes.

Identity and time

Publication numberOT-2026-000049235 · never reused
Internal UUID01a0ae81-134f-7a12-af04-3c15858a7dcb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049235
StatusPUBLIC

Content hashes

Canonical text8472632266c61fff4cb27438fdc7e28791be574cb026146bb325b1c8af6bc51e
Markdown6543df834302c8135236d81ba61f7714af54c0b982393509547d8efab6641538
PDF
Publication page4edb1f4a6fe607bff444a537582645defa3c3ce6fc9a3956774d5bdff4120821
Manifest42edd0c434c05e1ea6d9463c4d3bcde6799ba1778c57decb3338911c6904a46a

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
SignatureJkCNf7nvmRH67KtDZO2Aj4XrUYibr4LzbsCBelNG1d2eL3DRXZ2hE75YkOPGmNaG10HlX+wC3oqZJJuV1OXUCg==
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

2026-09-17T11:04:03.673644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049235
observed 4edb1f4a6fe607bff444a537582645de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:03.655938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049235/manifest.json
observed 42edd0c434c05e1ea6d9463c4d3bcde6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:03.638320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049235/publication.md
observed 6543df834302c8135236d81ba61f7714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:03.618908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049235/publication.txt
observed 8472632266c61fff4cb27438fdc7e287...
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.