OpenTechnical

OT-2026-000005967

Publication integrity record

Vacuum cup gripper, four zone face, 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-2026-000005967) never changes.

Identity and time

Publication numberOT-2026-000005967 · never reused
Internal UUID01a0a94a-c1a4-7f01-a900-16238b07f48c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:17:23.878939Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005967
StatusPUBLIC

Content hashes

Canonical text6883c3f2ce3fa7ba1ec9abee8e484d79ee4adb889bbb7334787af460c1b69c3c
Markdownd07bf085fcae2a76893fd6a9417deafdac673bb117dd443490acdafdbf8702fc
PDF
Publication page6427bf83a49499b69bd2efe62efad2d51143cce58a058f8e6a2dd31aff1096c0
Manifest56d68f5ebecfc9c1dfe46f5f286d2c86a377bac9408c1d8fcb51cca1c3d624d9

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
Signaturen0XIWtWX/q+7YRoL/f/Fox5/VGcAa3LlETJUTGXXiM1rANvqUrv/mNUZEfUZrIbjIOSlbtZpyTrX+Tc6veKQAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:11.652412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005967
observed 6427bf83a49499b69bd2efe62efad2d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:11.638529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005967/manifest.json
observed 56d68f5ebecfc9c1dfe46f5f286d2c86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:11.624458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005967/publication.md
observed d07bf085fcae2a76893fd6a9417deafd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:11.491804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005967/publication.txt
observed 6883c3f2ce3fa7ba1ec9abee8e484d79...
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.