OpenTechnical

OT-2026-000022463

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed blow-off 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-2026-000022463) never changes.

Identity and time

Publication numberOT-2026-000022463 · never reused
Internal UUID01a0ae6f-f4fe-7373-a619-b144396ca7ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022463
StatusPUBLIC

Content hashes

Canonical text1692474f1263a0d3892877636335412b683023c4388bff21000c97bfd54287a0
Markdownd8029434664b7749ee957076ea9a0c3a1b26d82b79161c8145f07d05d1a09e14
PDF
Publication pageaa3b66e4e1be280a056e25ee1b1707ee806b804a1b8701ffda9d674e9b1309d6
Manifest00e344dba4b51d70846dfb1e7a2020d5b7f2ebae8b0df331e1f2b168bc181888

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
Signaturetqd9JNzwjX4we+acOJBAlPBY1AEkfig0xQcLm/jr924XUo8sBLpicyrGHL+LKoomuq97aZ01YiCwYmSZMUYjDw==
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

2026-09-17T11:53:51.796629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022463
observed aa3b66e4e1be280a056e25ee1b1707ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:51.781035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022463/manifest.json
observed 00e344dba4b51d70846dfb1e7a2020d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:51.765305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022463/publication.md
observed d8029434664b7749ee957076ea9a0c3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:51.747552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022463/publication.txt
observed 1692474f1263a0d3892877636335412b...
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.