OpenTechnical

OT-2026-000034298

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000034298) never changes.

Identity and time

Publication numberOT-2026-000034298 · never reused
Internal UUID01a0ae75-df0e-7210-a2b9-7288b2098c1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034298
StatusPUBLIC

Content hashes

Canonical text29c2dd1c8ef373fcf907bd82d342fa76a1165e9d48d4fe19b01773084baf4d77
Markdownc93ee4702817dcf829230f52ddb4e600664c143f73aa2d7ec49a760d071771a0
PDF
Publication page5fb35ccc23587544e5db88c58fbb1947114cbb31f0a0259a2fc5c57391743af2
Manifest696ebad92d80c693dcc0fd68dd5fb8176bd620daee34170af2aafa2c5efaab3d

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
SignaturedGnK7HgJINO9e8BdLbHs2iWFvttkWOKrUxcWQbVf74VfcQHEI0ycaswi6uTepNZal53ZJ+VuGH0f7uWL1TwkCw==
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

2026-10-18T00:41:32.279443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034298
observed 5fb35ccc23587544e5db88c58fbb1947...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-18T00:41:32.227706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034298/manifest.json
observed 696ebad92d80c693dcc0fd68dd5fb817...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-18T00:41:30.990268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034298/publication.md
observed c93ee4702817dcf829230f52ddb4e600...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-18T00:41:30.929992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034298/publication.txt
observed 29c2dd1c8ef373fcf907bd82d342fa76...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-23T00:41:29.988776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034298
observed 5fb35ccc23587544e5db88c58fbb1947...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-23T00:41:29.918460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034298/manifest.json
observed 696ebad92d80c693dcc0fd68dd5fb817...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-23T00:41:29.838199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034298/publication.md
observed c93ee4702817dcf829230f52ddb4e600...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-23T00:41:29.687602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034298/publication.txt
observed 29c2dd1c8ef373fcf907bd82d342fa76...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent