OpenTechnical

OT-2026-000061436

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line 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-2026-000061436) never changes.

Identity and time

Publication numberOT-2026-000061436 · never reused
Internal UUID01a0ae8b-7b42-7488-96b9-6cd5fb346003 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061436
StatusPUBLIC

Content hashes

Canonical text46b505a27c8bc39665143655997a50b61bb97071ab0be701e591bfd2a4169658
Markdown0e177d32da7203e801942f875b92be8a1e6fa61cd8304b09018d4b85d077237a
PDF
Publication page5be43dc00009f2c77270ca709bf985b3a5c12fb20e331a7342247c23ea399f74
Manifest41575fdd33183af228440f152a60410582a8257acdfa7de59436a00037e96ea3

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
SignatureQp/HuIJcWjrHf8Jaxf6PqcmQtEqHUZoe04ziR/PJwykLMdFdIf+vJCSGOLDj9DXCE/59CkJA6L3Ax9O1aMXxDQ==
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...

Independent retrieval

2026-09-17T10:41:18.792491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061436
observed 5be43dc00009f2c77270ca709bf985b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:18.773650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061436/manifest.json
observed 41575fdd33183af228440f152a604105...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:18.754850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061436/publication.md
observed 0e177d32da7203e801942f875b92be8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:18.735419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061436/publication.txt
observed 46b505a27c8bc39665143655997a50b6...
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.