OpenTechnical

OT-2026-000027590

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000027590) never changes.

Identity and time

Publication numberOT-2026-000027590 · never reused
Internal UUID01a0ae72-6999-79f1-a78b-5a30769bed2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027590
StatusPUBLIC

Content hashes

Canonical text9d637be1bdfe9507797c815dc17dbc9a5d5fda05fa34622f7d064062b5cba2a2
Markdown13611aab2faed73e8866886de09fcae16a0dc4e4c837d92c59bdd5630fd6802f
PDF
Publication page83ad84449ba5224ca01a754dffe14405477a256da68cfd4e692928572bac8fce
Manifestc3f7aa86b89112905dd2014ca1031bcdff2ed792b1b804c84d2aab2c7e76667d

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
SignatureDTloUqOLOKvhHLt56WHcXEflQdwrTwToP+hSPJLJN9tCAVSAZmFOUkcgz1l+0Gvxm0CZ0E7G2g+H527wdI8oCw==
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

2026-09-17T11:43:05.175694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027590
observed 83ad84449ba5224ca01a754dffe14405...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:05.154634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027590/manifest.json
observed c3f7aa86b89112905dd2014ca1031bcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:05.138340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027590/publication.md
observed 13611aab2faed73e8866886de09fcae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:05.122153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027590/publication.txt
observed 9d637be1bdfe9507797c815dc17dbc9a...
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.