OpenTechnical

OT-2026-000052889

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single 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-2026-000052889) never changes.

Identity and time

Publication numberOT-2026-000052889 · never reused
Internal UUID01a0ae84-a42f-7cf8-871d-f34f4ae6ca8c · 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-2026-000052889
StatusPUBLIC

Content hashes

Canonical text44b14316728b5376626ec3986e2f3ad08ff10ad089aa74e337d84eb938481e64
Markdownf8f8eb59e0bce6d6d9f34458dc4029f3a3dee80d886dd2e3c2a58b53a64f9483
PDF
Publication page2a58440851ac6781eea660b158a0f2f01387db6ee6712a410d70b90793d3ab4c
Manifesteb723dc28a65fa24f76cdef48fbb1d259592129a3db1ef315009f15074f25350

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
SignatureM9pIp0aFhf4Aaeoec+Ts5GNSZsOY2afC6yMXVApfIMqKrVPFrpv6ImjK7LGbHOtc75LoI8qOUBMfBYC4Tal4Bg==
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

2026-09-17T10:56:31.645882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052889
observed 2a58440851ac6781eea660b158a0f2f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:31.628646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052889/manifest.json
observed eb723dc28a65fa24f76cdef48fbb1d25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:31.612040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052889/publication.md
observed f8f8eb59e0bce6d6d9f34458dc4029f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:31.594563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052889/publication.txt
observed 44b14316728b5376626ec3986e2f3ad0...
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.