OpenTechnical

OT-2026-000052269

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000052269) never changes.

Identity and time

Publication numberOT-2026-000052269 · never reused
Internal UUID01a0ae83-e791-737b-a6ff-a6859932544c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052269
StatusPUBLIC

Content hashes

Canonical text022d0f85447f94ef0b815c6e5f7c449af91def0b1cda5e79307031ed7dfd8fcf
Markdown64b9a17304b3001792f966aae659cba01731478f4f66faa9bc530d986237b484
PDF
Publication page45cad4c19ad096d233543caa00e3492c03fa246402a88ff3d20be6182759ff62
Manifest0ca1ae3b784c1507703b195ad3d7108d994f3bfe16135c3152b3cf7d6834b232

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
Signature6SWxjhYtoTsAs6IHSrM8nBzhQAaAA4aQnRjfb5d8FNgOJUGo31tX44Zw13aC59EEtJ1U8m9thiDQraXWtljzAg==
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

2026-09-17T10:57:51.404794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052269
observed 45cad4c19ad096d233543caa00e3492c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:51.385423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052269/manifest.json
observed 0ca1ae3b784c1507703b195ad3d7108d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:51.367348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052269/publication.md
observed 64b9a17304b3001792f966aae659cba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:51.346179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052269/publication.txt
observed 022d0f85447f94ef0b815c6e5f7c449a...
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.