OpenTechnical

OT-2026-000005563

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, two stage ejector

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-2026-000005563) never changes.

Identity and time

Publication numberOT-2026-000005563 · never reused
Internal UUID01a0a93d-4c5a-72df-bc34-690a529cf046 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:02:41.885165Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005563
StatusPUBLIC

Content hashes

Canonical textfaa0464d2c9f127d127d43569c09f49683421e4187bf4b70b84e33480d9a0a9f
Markdown75838c424abd12932702252f15633d4d6fc0e7bb6d03da64355d40612f4a6d30
PDF
Publication page2624e9b9dc4c98a6d04a1ab3a9f1d2445bd11fa70e6cad5d05d40419a6a9f49e
Manifeste89473e147503cad15d52e9f1531331eb24f41b6ec3309fed9a586426a23b9c8

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
SignaturedvjmfoGnGFLtYFIXPqA4bdRqXtcxX3+mvStzp1zaQ543CQGv8Eh2gBjLhxj8tLEmUj1EXK0/3tT6DiX6lpznCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:26.381210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005563
observed 2624e9b9dc4c98a6d04a1ab3a9f1d244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:26.242220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005563/manifest.json
observed e89473e147503cad15d52e9f1531331e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:26.226908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005563/publication.md
observed 75838c424abd12932702252f15633d4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:26.211174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005563/publication.txt
observed faa0464d2c9f127d127d43569c09f496...
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.