OpenTechnical

OT-2026-000052902

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented before 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-2026-000052902) never changes.

Identity and time

Publication numberOT-2026-000052902 · never reused
Internal UUID01a0ae84-a42f-7b47-b0c3-c5f2999518d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052902
StatusPUBLIC

Content hashes

Canonical text43eab55c6c83c9c685e6c19a3270f2ac361abc300f9fd98c6888f7bdc0a4947c
Markdownbec694b05cfc23012a41dd45d0c0351acd849e1860c9eeb31d7190c7debd9c8b
PDF
Publication page355c4d6d5866d1779ab914dd5937b45e31226beadbba49b2e1913f8717004299
Manifestb1dbda37127769b38bd3134112470e6d5774b0a5ff315eeda26bcc0e81fae5db

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
SignatureXdxjd3nfdns/1KiY6g8hpfis+4m6wnL3tPCnDBz9QveaWCCBNe74Xzg036OqgKwsgeGRFNUJSQEyG3b7qwDNBA==
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

2026-09-17T10:56:32.638411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052902
observed 355c4d6d5866d1779ab914dd5937b45e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:32.618701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052902/manifest.json
observed b1dbda37127769b38bd3134112470e6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:32.600825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052902/publication.md
observed bec694b05cfc23012a41dd45d0c0351a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:32.582523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052902/publication.txt
observed 43eab55c6c83c9c685e6c19a3270f2ac...
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.