OpenTechnical

OT-2026-000006608

Publication integrity record

Vacuum cup gripper, common isolation valve, three stage ejector, sustained 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-2026-000006608) never changes.

Identity and time

Publication numberOT-2026-000006608 · never reused
Internal UUID01a0a961-32ca-739b-bd94-f93c2e914767 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:41:54.637736Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006608
StatusPUBLIC

Content hashes

Canonical textfb19a7c443b45ec2da06cc7b0e7d36c164d37ff9e522da7e420ff465781312f3
Markdownb9a6a6474f73a6ff388004e0bfb8376c647952aafd773dd358715e178e9b7292
PDF
Publication pageab00d92c9138ea3837681f777f37f69e5a5acbe44b546f8aea6c8fc324de0501
Manifest665b17413a36f59b0ec980bbce008e33668a55c9b0862e0b3ad0c0da96cfd6fd

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
SignatureOrrqUPnR1iJA1Gj/6h8D6kXBkB7SczBPudyGKSRMBXrT4E//zzzfw1vQO3/GrOiqVHYjz4pvuVFRAFhIut9DCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:25.723320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006608
observed ab00d92c9138ea3837681f777f37f69e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:25.710519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006608/manifest.json
observed 665b17413a36f59b0ec980bbce008e33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:25.697000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006608/publication.md
observed b9a6a6474f73a6ff388004e0bfb8376c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:25.682693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006608/publication.txt
observed fb19a7c443b45ec2da06cc7b0e7d36c1...
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.