OpenTechnical

OT-2026-000032931

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, pulsed blow-off before 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-2026-000032931) never changes.

Identity and time

Publication numberOT-2026-000032931 · never reused
Internal UUID01a0ae75-4842-77fb-8eda-f2c7043ec342 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032931
StatusPUBLIC

Content hashes

Canonical textc648666eb65f30a45ebc81aaecb21375e413f18174ab327e0fddcd2d50e5b264
Markdown39e87b2e87cff1d469cc7fc81118fb6bd5d385fc06e4cc419d934c48ae0b2599
PDF
Publication page96f39ded8eedc50a0caf30fcc6df465576410c059584b5743ef7003cd4778497
Manifest507a6e7125997a32bd72843fbe944a28babd765120b903dfea4bf2fcf55d45c5

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
SignatureDR0uX7PoA5G3NVtxdct69xjQla2HnMoIUyFBkQZtO1UpILQd8g71gZxMLfsFUGo5nv5VNicn0o5g0hPA9rFvBg==
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

2026-09-17T11:32:31.714111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032931
observed 96f39ded8eedc50a0caf30fcc6df4655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:31.696907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032931/manifest.json
observed 507a6e7125997a32bd72843fbe944a28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:31.679556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032931/publication.md
observed 39e87b2e87cff1d469cc7fc81118fb6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:31.661087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032931/publication.txt
observed c648666eb65f30a45ebc81aaecb21375...
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.