OpenTechnical

OT-2026-000059768

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000059768) never changes.

Identity and time

Publication numberOT-2026-000059768 · never reused
Internal UUID01a0ae89-ec25-7ee2-a5de-135c4ef08feb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059768
StatusPUBLIC

Content hashes

Canonical text9aa7558deea54aefb47ba1e1c186d96bdb70e0ccc267ff96b586f2dc6054c8b7
Markdown59c48f6ebb726ffb26717d16f91fb79c900bd936a9f9b2dbdfbe0e5c51d81a91
PDF
Publication pagefc9ec738fe674f76c4e39578a9af7445afa61e4bc2dd57d0172861ea106b084a
Manifest232ba8f2e7427485b096a338e3f84b3973cd8d281ac6f6914628f458c207b454

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
Signature4WKyhTlz6hCIX/NNPU5F/vt59NybuNOXc6ikaYmTHn/RzXgVMEquiFLQbfy/ZtkIxUHu2YWMA/iydsP9BllqCA==
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

2026-09-17T10:44:29.708984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059768
observed fc9ec738fe674f76c4e39578a9af7445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:29.690581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059768/manifest.json
observed 232ba8f2e7427485b096a338e3f84b39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:29.673232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059768/publication.md
observed 59c48f6ebb726ffb26717d16f91fb79c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:29.655981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059768/publication.txt
observed 9aa7558deea54aefb47ba1e1c186d96b...
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.