OpenTechnical

OT-2026-000041838

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000041838) never changes.

Identity and time

Publication numberOT-2026-000041838 · never reused
Internal UUID01a0ae79-e8a5-73d9-ae49-2c71572b4047 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041838
StatusPUBLIC

Content hashes

Canonical textf28fbab8a2fa3fa9a137c45652e76194fddf11c08b1cc6479894f7da14a02d4e
Markdown332fe1f79193273395c2e50222ff24dfc09aa4d5bf95b8aa12c1b24a8777f88e
PDF
Publication page63845d8cdea27d4c87089eaf2514d698256d49b6ae1ce25cd8f0a893287d5911
Manifest052eeb01bc9abb9320bf135d073218d5875dbff9ab1f4ec82949922304956c63

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
Signature9S8n1a4crAxHrymrrd5VFPEYFWTP+J8s+CEyGAhYBxRKh7mDKkC9rwig/d14zciAFfHjkDlUsqPpAe/zwE49DQ==
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

2026-09-17T11:16:42.277041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041838
observed 63845d8cdea27d4c87089eaf2514d698...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:42.259482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041838/manifest.json
observed 052eeb01bc9abb9320bf135d073218d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:42.242841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041838/publication.md
observed 332fe1f79193273395c2e50222ff24df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:42.225940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041838/publication.txt
observed f28fbab8a2fa3fa9a137c45652e76194...
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.