OpenTechnical

OT-2026-000057067

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line 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-2026-000057067) never changes.

Identity and time

Publication numberOT-2026-000057067 · never reused
Internal UUID01a0ae87-d5b7-7f52-95b2-8bd1e7c81792 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057067
StatusPUBLIC

Content hashes

Canonical textf81255afed50ee52de5c454a5ef8207d69b3a5acf6d6574b4c4d9526ca324a5d
Markdown6ddaa3c73cd690fa65763536b2da6210fb6def612a2c3e515bad329921afb4f9
PDF
Publication page4edcc221f7639b8e4d682a590472f036851a54159ce3df2dce7ac9c2862b176f
Manifest25369452314ce4fa5f80a32fbe638e24859f299eba9e890eaf520938fe45b0b4

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
SignaturePnt/jfdOB/LpkdPuaUiXU8wqM3Czy4vj7bCnjzSudsnsDHYVOz95BEXxdBgOUVwXwuUlbfOrji1tCOaXxcczDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:48:33.507029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057067
observed 4edcc221f7639b8e4d682a590472f036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:33.488799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057067/manifest.json
observed 25369452314ce4fa5f80a32fbe638e24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:33.469529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057067/publication.md
observed 6ddaa3c73cd690fa65763536b2da6210...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:33.449003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057067/publication.txt
observed f81255afed50ee52de5c454a5ef8207d...
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.