OpenTechnical

OT-2026-000044042

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained blow-off after set-down

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-2026-000044042) never changes.

Identity and time

Publication numberOT-2026-000044042 · never reused
Internal UUID01a0ae7b-d679-7196-93d0-f1aaea6dd4cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044042
StatusPUBLIC

Content hashes

Canonical textc7425a6130b115e2e90649712082b5919d3fa7add7371c0f83579e0e5780a9dc
Markdown58c8d0778160debc8090be90b7385101c20249068a0e7e2897600244ec751005
PDF
Publication page2e2b6674ba719972d8fe43112a116839bcf5894b97b5c72562ecfe591a8e46d1
Manifestea90239a53d9a7dc732f1d22d44175c9536fd69164fff9d8f9b34cf4ee7be14d

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
SignatureWb6ico2JNjsMQYfQ0V449P9TO/zwf7GIzCHqArXllRWWMQEFOHNP0aIPSDauW/q2pqv4YkELm2cTeA0Z3GL5Bg==
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

2026-11-05T00:41:49.575884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044042
observed 2e2b6674ba719972d8fe43112a116839...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-11-05T00:41:49.526271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044042/manifest.json
observed ea90239a53d9a7dc732f1d22d44175c9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-11-05T00:41:49.478390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044042/publication.md
observed 58c8d0778160debc8090be90b7385101...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-11-05T00:41:49.381931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044042/publication.txt
observed c7425a6130b115e2e90649712082b591...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T08:41:59.863287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044042
observed 2e2b6674ba719972d8fe43112a116839...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T08:41:59.789095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044042/manifest.json
observed ea90239a53d9a7dc732f1d22d44175c9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T08:41:59.717348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044042/publication.md
observed 58c8d0778160debc8090be90b7385101...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T08:41:59.630899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044042/publication.txt
observed c7425a6130b115e2e90649712082b591...
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