OpenTechnical

OT-2026-000101155

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000101155) never changes.

Identity and time

Publication numberOT-2026-000101155 · never reused
Internal UUID01a0aea3-c378-7bb3-8686-5fabd040a3b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101155
StatusPUBLIC

Content hashes

Canonical textbcaa659f2b489f31ad40afff7d92044c12b2ba87e15b5be056e8dea56da9df65
Markdown1207771b6677b89df2fdd1e4b9d83dfbca3798c6a6909446b605fd4cd3d8d764
PDF
Publication page14a085d468d7d42255f2d7de5c32561479d1b4a58421007b523583ac8e74f189
Manifestdbed6e64252f2e45cb5513841c2930554278bb78037a824883225f32b1af207d

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
SignaturemWjYNatjOrHGcYzMHLsiP7owmO4A1QbGpupqlqruGq8K2B4TJzM86gE3X6cheRcdRDk0/JZYzC1yqRhuL5iYAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:47.514299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101155
observed 14a085d468d7d42255f2d7de5c325614...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:47.496573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101155/manifest.json
observed dbed6e64252f2e45cb5513841c293055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:47.478330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101155/publication.md
observed 1207771b6677b89df2fdd1e4b9d83dfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:47.460231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101155/publication.txt
observed bcaa659f2b489f31ad40afff7d92044c...
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.