OpenTechnical

OT-2026-000042145

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, sustained 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-2026-000042145) never changes.

Identity and time

Publication numberOT-2026-000042145 · never reused
Internal UUID01a0ae7a-5d71-7ec2-b1ec-907567ff5ab9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042145
StatusPUBLIC

Content hashes

Canonical text4d554afbe538ce8e0e5641c5010c776544b34aeec83a470339a0f5cb3934b8fe
Markdowne7a9329ece30fe6f13c1a9419edbf1b717f6e874b7e1141ab01cafe329e9c646
PDF
Publication page6d5e7d38c1a84c4bba59088cdbdf6c12c51094b4678512a7060f00c79871d87e
Manifesta07fb1ba12817e2c6b5d281d154b13fcc1556d70fe555c2259c9f1c674174534

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
Signaturea8w6o1xd0ezKqjG9wD2paOzJtbYdvBskXL8x7BmcKInhFk2WAr20TGtZ3jEFwhRDsS+I5NDllJnE2QwinQEuCw==
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

2026-09-17T11:15:41.823195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042145
observed 6d5e7d38c1a84c4bba59088cdbdf6c12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:41.805391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042145/manifest.json
observed a07fb1ba12817e2c6b5d281d154b13fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:41.787885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042145/publication.md
observed e7a9329ece30fe6f13c1a9419edbf1b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:41.771209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042145/publication.txt
observed 4d554afbe538ce8e0e5641c5010c7765...
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.