OpenTechnical

OT-2026-000057087

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two 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-2026-000057087) never changes.

Identity and time

Publication numberOT-2026-000057087 · never reused
Internal UUID01a0ae87-d5b8-7185-8d12-2eb1feadcdad · 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-2026-000057087
StatusPUBLIC

Content hashes

Canonical textd9ad3d5c1469d0f563e8fc8cca9c7e28fac08cc2c1337431f56aae58bc1b69ca
Markdownd94cfc0022dfd31e3e79efc7196432311263a7a0c9372965c26ab8eb1dd01801
PDF
Publication pagebdc349256c711153fb70d3f0dcd72aa14530fadc9d114a2be433ed39ea005f13
Manifest2e7225f24b6cd2ab3373cc9c40f7f534c23debca9fd497e78b1ca902e9f70c73

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
SignatureDJNjIMQH7rTEHvO0L7WzCCFG80LFCmSqV2zyO4kzxM3ZtMmRWX+tKwSaVhMKExQD2MEs0PKjexob5xbEpQExCg==
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

2026-09-17T10:48:40.224215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057087
observed bdc349256c711153fb70d3f0dcd72aa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:40.196409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057087/manifest.json
observed 2e7225f24b6cd2ab3373cc9c40f7f534...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:40.168012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057087/publication.md
observed d94cfc0022dfd31e3e79efc719643231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:40.147611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057087/publication.txt
observed d9ad3d5c1469d0f563e8fc8cca9c7e28...
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.