OpenTechnical

OT-2026-000059156

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000059156) never changes.

Identity and time

Publication numberOT-2026-000059156 · never reused
Internal UUID01a0ae89-8612-72ac-be22-43e8fca6293e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059156
StatusPUBLIC

Content hashes

Canonical textc6f76cc134cf68548525ea418db49dec1cef522e5792b4c30173b43a2fc4a37a
Markdown4bff1ceeb1c7f3d3c5cc4b829977cdd4714d333464eeff7817f957c806cc2480
PDF
Publication page31315aed43fe41ac3e0983e6b3785429a6b2984f8cc389a4bf9d48fef2dbb2d6
Manifestc6a6400d4614e29d048f9c57c8d1ccff5c81688af82c0a996605599f769199f4

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
SignaturehUu7cuFqy/6BI0Ulj8Ulgq6eyanWGpDCSxnXmXZFmeOicr3+3+mwO4tFj2bU0Az8Ysw+7MwFn0TdQ+0+I/TMDg==
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

2026-09-17T10:45:06.516590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059156
observed 31315aed43fe41ac3e0983e6b3785429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:06.498444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059156/manifest.json
observed c6a6400d4614e29d048f9c57c8d1ccff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:06.479662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059156/publication.md
observed 4bff1ceeb1c7f3d3c5cc4b829977cdd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:06.461323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059156/publication.txt
observed c6f76cc134cf68548525ea418db49dec...
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.