OpenTechnical

OT-2026-000011814

Publication integrity record

Single bellows cup vacuum gripper, pump fed, 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-2026-000011814) never changes.

Identity and time

Publication numberOT-2026-000011814 · never reused
Internal UUID01a0ae6d-1941-7d6a-ae85-ca2fa40c369e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011814
StatusPUBLIC

Content hashes

Canonical text427b0e39b590c870a94099f883ecf8a576d3d61624049d382788c0573072b0ac
Markdownb43c781f9295141d2c417fd636a666f1e716ebd2b14db84a92bf0e891bcfbc22
PDF
Publication page08ceb4e99e88e9f940772034935ecf9850683f2b7bebb0fa9ed75fc10f285458
Manifestbcdc305a98daa4932c04b15dcb84708d03c242db547ea7347a3f00318ffce89d

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
Signature4YlT22jP3IXlIEhxkU7Ny0UoIyN2V0szSnYTkfuXHQDTc2mxCvJTHWZHdaH11bTl34u7DaxY7g81nYkjd7tkDA==
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

2026-09-17T12:12:32.657601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011814
observed 08ceb4e99e88e9f940772034935ecf98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:32.638815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011814/manifest.json
observed bcdc305a98daa4932c04b15dcb84708d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:32.620646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011814/publication.md
observed b43c781f9295141d2c417fd636a666f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:32.602814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011814/publication.txt
observed 427b0e39b590c870a94099f883ecf8a5...
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.