OpenTechnical

OT-2026-000035527

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000035527) never changes.

Identity and time

Publication numberOT-2026-000035527 · never reused
Internal UUID01a0ae76-b4c5-70cf-92d3-d2e6f4d404cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035527
StatusPUBLIC

Content hashes

Canonical textfc385ba32746453834298b5c8877117bc4f53af1786ec22bb3ff994d4803215d
Markdownc29dd126048b4cb822c356760aacd4db47df760833e47d5572e09749598a3e61
PDF
Publication page253d24d833568af0a4c7e87ae7ed7d32313484141bb29ba10e7c478cfa764687
Manifestbdf7a2756f26bf67ad87d534cf5fcd5cef55da3d35d8f97c98bcdbf203156c34

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
SignatureTebBwAcm+l9JPfekzszmKozDiv4TtsBzj0exXllTsEhJmOYftZZOonTPLocpayKtkGZXacKxoAEhcQ2irfH1Bg==
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

2026-09-17T11:26:57.079625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035527
observed 253d24d833568af0a4c7e87ae7ed7d32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:57.063763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035527/manifest.json
observed bdf7a2756f26bf67ad87d534cf5fcd5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:57.045942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035527/publication.md
observed c29dd126048b4cb822c356760aacd4db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:57.025646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035527/publication.txt
observed fc385ba32746453834298b5c8877117b...
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.