OpenTechnical

OT-2026-000027863

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single 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-2026-000027863) never changes.

Identity and time

Publication numberOT-2026-000027863 · never reused
Internal UUID01a0ae72-a4a5-74cf-82b1-11ad2846643b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027863
StatusPUBLIC

Content hashes

Canonical textea4800b6094cc309fe042ec57056b9525007a261c290c0e0dc5bc2e8f3f62643
Markdowne405385c7aa07856419da1a18e982b952ebf307baea9483f14e51b3c44f51e70
PDF
Publication page03e1e26a44fd2bce8744b72020738b62d3fe6c94319eaf782e4f862b51b30bb8
Manifestab2c15e6f340bfe1e31fce27e58f40067c88f460d48fdc44faf85b595c4f8ca6

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
SignaturezsFeVXRx1jH6qTqWqdFai61gq/D2Re7YEvK3glaw3MZkARFRi+f/BtMU7496Jd7EQGwUUeQJQ0ABjkoQjn+8AQ==
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

2026-09-17T11:42:00.736229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027863
observed 03e1e26a44fd2bce8744b72020738b62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:00.716914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027863/manifest.json
observed ab2c15e6f340bfe1e31fce27e58f4006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:00.697628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027863/publication.md
observed e405385c7aa07856419da1a18e982b95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:00.678188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027863/publication.txt
observed ea4800b6094cc309fe042ec57056b952...
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.