OpenTechnical

OT-2026-000052437

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, vented before 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-2026-000052437) never changes.

Identity and time

Publication numberOT-2026-000052437 · never reused
Internal UUID01a0ae84-5739-7641-9d51-0124c2a79b2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052437
StatusPUBLIC

Content hashes

Canonical text1902b0f542d1a44075fed017690a4d7a6bf755ef864019f5b1d324f3860d2ce7
Markdown85270f0b42f5d583ebda2f8030cdecedaeb02ab4ef3637f6c92f3296744c2224
PDF
Publication pageee38609827413a63c5f1c5efa6503d35b6de04111fa8b9050a61f41cfbf55f77
Manifest8fcb96f891ae3913c4440e055d5e1f91d0306442dde01e1bb7fea2e6995aa2fd

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
SignaturefMoaWB3kFsLiX+X3KohGgFxBl3S+Mutzgub2dv4qjBtDz6Aoaey2gWDauUwvqcoXy2ggaqM2U0lUicdsQQtGCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:03.413019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052437
observed ee38609827413a63c5f1c5efa6503d35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:03.390889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052437/manifest.json
observed 8fcb96f891ae3913c4440e055d5e1f91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:03.371272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052437/publication.md
observed 85270f0b42f5d583ebda2f8030cdeced...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:03.353983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052437/publication.txt
observed 1902b0f542d1a44075fed017690a4d7a...
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.