OpenTechnical

OT-2026-000059792

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000059792) never changes.

Identity and time

Publication numberOT-2026-000059792 · never reused
Internal UUID01a0ae89-ec25-7df6-a0f9-e88637a9d882 · 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-2026-000059792
StatusPUBLIC

Content hashes

Canonical text818dd46d7d83e3e8b5252ce58ca7e6ccf023b1ec611f345fadfce36e41a3feeb
Markdown2c10d5271f6aa7572bccff1307420dc2d9fdcc8a2b645ecc3850cccd52c7898d
PDF
Publication page0522de5e3a17ecdf24f4af87a3ba2a5885b166e3fc54bf94ab8ad2b6d9abd6dd
Manifest5f45c2e58ed85bfdc81b3816ce4941e9f86bda277546b22e6019a1e34365ca7b

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
SignatureOKVMVo1esYyCX/2uzfgY0gBV16jfE5WAKUxoKB4i8RCi5Ug1Qlh+p1aBCK3/UL2HuYSNvbnjbCWaDGoyWYH2Cg==
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

2026-09-17T10:44:31.514089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059792
observed 0522de5e3a17ecdf24f4af87a3ba2a58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:31.497325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059792/manifest.json
observed 5f45c2e58ed85bfdc81b3816ce4941e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:31.478989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059792/publication.md
observed 2c10d5271f6aa7572bccff1307420dc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:31.435088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059792/publication.txt
observed 818dd46d7d83e3e8b5252ce58ca7e6cc...
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.