OpenTechnical

OT-2026-000049965

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000049965) never changes.

Identity and time

Publication numberOT-2026-000049965 · never reused
Internal UUID01a0ae81-fd77-7c16-8e1c-99d366fffcc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049965
StatusPUBLIC

Content hashes

Canonical text2220f145a0900b46c1de3807255d0c34eae2f8a8583b536be7f082844bdbfe25
Markdown697b402738efc85f7a183289baad9c643aaa9da2ee4ae7c7d499f166ba7f33be
PDF
Publication paged500ce13bcf3f0460c9b358de7edeae1f4ec0ed11601f7843388a5ab3c7bc30e
Manifest37f8d325561ee9c6d3a6530b2132c263d1388dce8a792ffbd92fff6c5daab15d

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
Signature0PJvncS2hq3N1aJ5Za2qEE2fhAl98OMSH1kGN60uuiiFc5jd5AtMf3hoQ3eQ2kOdeZmlakzn8lxr/EDXm6UvDg==
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

2026-09-17T11:01:54.689300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049965
observed d500ce13bcf3f0460c9b358de7edeae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:54.670526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049965/manifest.json
observed 37f8d325561ee9c6d3a6530b2132c263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:54.652911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049965/publication.md
observed 697b402738efc85f7a183289baad9c64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:54.634491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049965/publication.txt
observed 2220f145a0900b46c1de3807255d0c34...
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.