OpenTechnical

OT-2026-000006628

Publication integrity record

Bellows cup vacuum gripper, plant vacuum fed, contact triggered, plastic cups, two fold

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-2026-000006628) never changes.

Identity and time

Publication numberOT-2026-000006628 · never reused
Internal UUID01a0a961-df0a-74ce-810f-c2b6dc6d5985 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:42:38.733224Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006628
StatusPUBLIC

Content hashes

Canonical texta92ad354061f123e88a45cff5f4a244607e6379cd48e1a77aa6b5d10415b2a87
Markdown0d61d2bfd65210119a98329a529c9ab1d50743462f02f1720df5e93d7065c1df
PDF
Publication page4de4ed7c9f86619f0119bc8099975addff25bc0d1db88bc96c7299a5e1106a3d
Manifestb5f9199e1545ddc4344035348e58785aadb0adef5722108e7b82415abd204484

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
SignaturetmZUXXVXL5Whx+LcoN56H/ADF9va4GqgAlVPfvBVUtwXpw0FJy2OAuOuv6nx0GWDZVPBTMBX3zzc+lbR8ACcDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:23.636397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006628
observed 4de4ed7c9f86619f0119bc8099975add...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:23.499350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006628/manifest.json
observed b5f9199e1545ddc4344035348e58785a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:23.486137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006628/publication.md
observed 0d61d2bfd65210119a98329a529c9ab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:23.472174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006628/publication.txt
observed a92ad354061f123e88a45cff5f4a2446...
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.