OpenTechnical

OT-2026-000042350

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two 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-2026-000042350) never changes.

Identity and time

Publication numberOT-2026-000042350 · never reused
Internal UUID01a0ae7a-5d74-7fdf-992b-c17fe3cfbea6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042350
StatusPUBLIC

Content hashes

Canonical textb315f2d807ee906bf5b86da64ae2b378b7967bb1cefe3f61f20e66d3099aaa27
Markdown1c3a8366072fcdb7e5c2968f0c1a6ff1a81c7f7f1b177b756418320a8e23c29c
PDF
Publication page61c657a0e6705e635521b5200b860f37c5619f861237fd4316cd44938d801226
Manifesteca8f36ab1c427509541f66ff9369d6ff5602288b2d3c34befb870a3cea42f0c

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
SignatureHCO7zxXuW7r2VH5VWFwgUQMj5qWTlPgQP3UNL2AOPh1BLogog+8VG8appdJA8WXQB4zaMf18c2hs4mRnQBfhCg==
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

2026-09-17T11:16:03.647649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042350
observed 61c657a0e6705e635521b5200b860f37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:03.630403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042350/manifest.json
observed eca8f36ab1c427509541f66ff9369d6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:03.610424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042350/publication.md
observed 1c3a8366072fcdb7e5c2968f0c1a6ff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:03.591513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042350/publication.txt
observed b315f2d807ee906bf5b86da64ae2b378...
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.