OpenTechnical

OT-2026-000044271

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000044271) never changes.

Identity and time

Publication numberOT-2026-000044271 · never reused
Internal UUID01a0ae7c-39d6-72d0-afe0-a3d2ce606d66 · 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-2026-000044271
StatusPUBLIC

Content hashes

Canonical text837c404abeca3ee14ccb83ded716f492a8653e2abdead973a70eb39ce391f521
Markdownad080aee22943b797b5d8b6277fda7041605f01f902d5861c9af288ad708ede4
PDF
Publication pagefbe48d7ea515190f37af520f0ad5cdd413e25d425af5114bcf1bc453983e45cf
Manifestc948f744fec38aac666fee1666b5015923fb9fc6f9f775e72d4d290b508e0984

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
SignatureezqTlOJ8ecrEfUQrIzlLTyh89GoAY5xZcrG5MSVSxNWdDeIAwnR2DmWttsNEzndmMBp0kqESp6jk3mZSLzhhCg==
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

2026-09-17T08:30:10.290791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044271
observed fbe48d7ea515190f37af520f0ad5cdd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:10.272113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044271/manifest.json
observed c948f744fec38aac666fee1666b50159...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:10.254664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044271/publication.md
observed ad080aee22943b797b5d8b6277fda704...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:10.237209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044271/publication.txt
observed 837c404abeca3ee14ccb83ded716f492...
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.