OpenTechnical

OT-2026-000027296

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, sustained 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-2026-000027296) never changes.

Identity and time

Publication numberOT-2026-000027296 · never reused
Internal UUID01a0ae72-6996-7ae1-baaf-d240b84a8fcd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027296
StatusPUBLIC

Content hashes

Canonical text737b7c038cf144d204e232c46b3c182b9d2906b16ce695a7a3c21da7f125b54e
Markdownf11320f6b884c0faf0616212f20276bc94eb1f9ff008610930bbb111ebfe102c
PDF
Publication page5f7d9d8003316243db637abf2e5b89bd0ee8ac0729298d57a32c373b00963c2e
Manifest5c6238eec982fb9ec9794b8c6e7a49cf692296001981439ee79f007e078c1eaf

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
SignatureLBmDP/NxmrHAb5Pf1Y/dKwOAG3nWZQ+1VEWCBq9CeZLF1eILvDAHBDhVh0FVJr9HqThcGtzTd5erw1B6PJKlCA==
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

2026-09-17T11:42:41.139159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027296
observed 5f7d9d8003316243db637abf2e5b89bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:41.122941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027296/manifest.json
observed 5c6238eec982fb9ec9794b8c6e7a49cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:41.106641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027296/publication.md
observed f11320f6b884c0faf0616212f20276bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:41.090907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027296/publication.txt
observed 737b7c038cf144d204e232c46b3c182b...
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.