OpenTechnical

OT-2026-000052614

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, vented before 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-2026-000052614) never changes.

Identity and time

Publication numberOT-2026-000052614 · never reused
Internal UUID01a0ae84-573b-7ebd-8049-7a0ad392ab6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052614
StatusPUBLIC

Content hashes

Canonical text4c4cd5a735be82cc7632e1f997b9d1def008183d40a5aa46c3fc9c14bb629121
Markdownde312a946486231ecedb27d14d55c1907dc7f0323f325158f24fccd98fd8db66
PDF
Publication page392bdc465b28d2025f5e8e8196face55c7aed9747f5aa6c713d2e3b804a91615
Manifestb0eb939a669f310d6f573ad0273cda253879a5b0b89d4e89793a287aa1e3b396

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
Signatureg2Yjaeqw4vT/ShnzXifra0u9m8pDEPUrKregG/403igB0UapyxaV8StG8y84A7kDZ2mKT1DeR+7xbGUVIq7RCA==
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

2026-09-17T10:57:17.111339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052614
observed 392bdc465b28d2025f5e8e8196face55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:17.095539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052614/manifest.json
observed b0eb939a669f310d6f573ad0273cda25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:17.076342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052614/publication.md
observed de312a946486231ecedb27d14d55c190...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:17.058968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052614/publication.txt
observed 4c4cd5a735be82cc7632e1f997b9d1de...
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.