OpenTechnical

OT-2026-000044676

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, pulsed blow-off after set-down

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-2026-000044676) never changes.

Identity and time

Publication numberOT-2026-000044676 · never reused
Internal UUID01a0ae7c-39da-74f0-86d6-95f3f83e1857 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044676
StatusPUBLIC

Content hashes

Canonical text168d438aadaf42348cba0fbe40635be7b25de44721c73db9d2213b4f4324382f
Markdown68ce181abe63f0b1843f5c3e5563d6887fa121547e1dba41f2e5997286eb3f36
PDF
Publication page01f7a29bfdc12a8b350df12a8b0831798980ba32a575c08245e1465e5d5596b6
Manifest18bf719626f3150f790a026ee94119910d365391a9f1d3a95c63a8e8b9ae772e

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
SignatureKFYizdNCkhVgxt6VZu7q6pQpIJYVFoNzzbuozWjrJNlqxHty1y9ODAoGy/AGg/ta5Ugrygw84psbEa/ASxzPAg==
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

2026-09-17T11:11:55.723142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044676
observed 01f7a29bfdc12a8b350df12a8b083179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:55.702641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044676/manifest.json
observed 18bf719626f3150f790a026ee9411991...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:55.679714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044676/publication.md
observed 68ce181abe63f0b1843f5c3e5563d688...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:55.661457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044676/publication.txt
observed 168d438aadaf42348cba0fbe40635be7...
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.