OpenTechnical

OT-2026-000043256

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000043256) never changes.

Identity and time

Publication numberOT-2026-000043256 · never reused
Internal UUID01a0ae7b-327d-7ef3-a7e8-ddb8986a187d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043256
StatusPUBLIC

Content hashes

Canonical text0e136baa69f92cb1d4343e76a6c508a1a83dd46563ff1b68fec2872bf050ae49
Markdown3bdf65263e2f79b72076390330c49a7eb1d02bce1f63520ac4e0ccc9b01ea289
PDF
Publication page2321d968d2d790272f9710a396147f60675236824b43eb45c4251459d81a2eb4
Manifesta5f22886e84ec43c0bb83bbd40ae9078ee617beba6f376ccc709c3491ec35c97

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
Signature0z6jWJU4tjpo29e1cTxupYuEcilAoLXUsYi1I9xq7/06E7JyZ2KmtFE9l7MIlvBo8q+U/tE9dvRSXvbMh7+oAA==
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

2026-09-17T11:13:44.254036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043256
observed 2321d968d2d790272f9710a396147f60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:44.232923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043256/manifest.json
observed a5f22886e84ec43c0bb83bbd40ae9078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:44.212150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043256/publication.md
observed 3bdf65263e2f79b72076390330c49a7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:44.191907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043256/publication.txt
observed 0e136baa69f92cb1d4343e76a6c508a1...
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.