OpenTechnical

OT-2026-000012835

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-2026-000012835) never changes.

Identity and time

Publication numberOT-2026-000012835 · never reused
Internal UUID01a0ae6d-5563-7a4a-912f-86645db218a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012835
StatusPUBLIC

Content hashes

Canonical textd4fa4677524e4a18ac63dce03f817c783dbe2d6b37b18e10d497e1153622d14b
Markdowne99a2f7c31c7fe49be64f8556457eea3dca68bbe8682b128075453a283a98cd7
PDF
Publication pagef6d9c5fa8f973b8daa88f13ad1867fe544f3f7d29bcdb1209a83c5dc85277295
Manifest59b9a051fa27edf3b027cb9f481bf7c5721c70f2dbcdad3ec7c69c261df2c999

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
SignaturehoMF1AehCSnBHFl3l584nFLlDQKWcEOyopMDfySWar7ja54ztMmFs+WOrEPrfEp5O/YbOHRzOmzOZwSnB/X6Bg==
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

2026-09-17T12:10:35.983662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012835
observed f6d9c5fa8f973b8daa88f13ad1867fe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:35.965945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012835/manifest.json
observed 59b9a051fa27edf3b027cb9f481bf7c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:35.946843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012835/publication.md
observed e99a2f7c31c7fe49be64f8556457eea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:35.929215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012835/publication.txt
observed d4fa4677524e4a18ac63dce03f817c78...
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.