OpenTechnical

OT-2026-000104218

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000104218) never changes.

Identity and time

Publication numberOT-2026-000104218 · never reused
Internal UUID01a0aea5-3420-7fb4-b211-39e6d88fe46b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104218
StatusPUBLIC

Content hashes

Canonical text85fe92236ad356e04099bea219e399939622036e023398cb3370528d38c4ace0
Markdown0ddd9f26ff95b3d6da13b444eee1f8eaa77de4ed5b898b1c52fe7172f6f4b91e
PDF
Publication page5a7838f832301fdaef55e1a445dbaf238be4fc52322e67bf6f7701d73c2cd077
Manifest53069e0177d2cda32a9d058a7d59486be3c73033acc9d83486ee4b7baa6000e4

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
Signature0uDtbUpi5gJXGwINvYCVYaZNzLDhSRlqJmcfpx62Ikr8ChwXlrthOgQF62/e8DncS4yCjQejzYptjawwGTbTDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:19.294759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104218
observed 5a7838f832301fdaef55e1a445dbaf23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:19.278034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104218/manifest.json
observed 53069e0177d2cda32a9d058a7d59486b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:19.258895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104218/publication.md
observed 0ddd9f26ff95b3d6da13b444eee1f8ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:19.240982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104218/publication.txt
observed 85fe92236ad356e04099bea219e39993...
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.