OpenTechnical

OT-2026-000047214

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000047214) never changes.

Identity and time

Publication numberOT-2026-000047214 · never reused
Internal UUID01a0ae7e-d0f9-7f78-a781-93a187e5ebf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047214
StatusPUBLIC

Content hashes

Canonical text5035327195fd8168f59ef6445c95734d5f16192a79a39fd095141ab67a66380b
Markdown08a680964b2313326b8ac928c2a4c550b0f5f76560208d8907bf0cb3e3a49605
PDF
Publication pagefcf259004f113b328ff23aae1c739c7d57868ee3746f75ed7c754e64e1dd10eb
Manifest849fdd1902573ec0f4684a157f5c94c756842f5e6b043e85628bcae427e778f3

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
SignaturedqLcS1z9AlbzYVIBV1HEG+fNoy3D0a6ErgP2AOKNeLnmUZWaOpzYDwfEelO+ukSW+q/L8OZO9nVJuFvjHLzvAw==
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

2026-09-17T16:42:18.205401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047214
observed fcf259004f113b328ff23aae1c739c7d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:18.055016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047214/manifest.json
observed 849fdd1902573ec0f4684a157f5c94c7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:17.842693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047214/publication.md
observed 08a680964b2313326b8ac928c2a4c550...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:17.593757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047214/publication.txt
observed 5035327195fd8168f59ef6445c95734d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:08:02.972642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047214
observed fcf259004f113b328ff23aae1c739c7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:02.948766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047214/manifest.json
observed 849fdd1902573ec0f4684a157f5c94c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:02.926913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047214/publication.md
observed 08a680964b2313326b8ac928c2a4c550...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:02.908078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047214/publication.txt
observed 5035327195fd8168f59ef6445c95734d...
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

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