OpenTechnical

OT-2026-000050881

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented before 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-2026-000050881) never changes.

Identity and time

Publication numberOT-2026-000050881 · never reused
Internal UUID01a0ae82-c7b3-7272-be4a-eb178d68423e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050881
StatusPUBLIC

Content hashes

Canonical textaffb0fc79e0c31b65b09ae9cb21091358fe61c79408c1754fe5ae488548ffdfc
Markdownfd8e1ec73b581eb9743f355734f12e4ae25f613dc2eac7f15480b8bf8c7a4ca1
PDF
Publication page9096bc6cb0d7adcfd09344151606b5ec25d3be3ede1b6c1463f0c64be7f125a6
Manifesta3b4e720870e4c8814a49ff233011072018aababbe2ef61d26c223f5a20def56

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
SignatureBhW2E8xSV/AzFQhn0jwNroh+IQpy+noGrYZ5VaF+rgvcVxK+KjBi332zgQjmciONIjF0sp/o23yJelqaGN2iCQ==
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

2026-09-17T11:00:36.857335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050881
observed 9096bc6cb0d7adcfd09344151606b5ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.837704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050881/manifest.json
observed a3b4e720870e4c8814a49ff233011072...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.814805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050881/publication.md
observed fd8e1ec73b581eb9743f355734f12e4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.792232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050881/publication.txt
observed affb0fc79e0c31b65b09ae9cb2109135...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.765975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050881
observed 9096bc6cb0d7adcfd09344151606b5ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.741842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050881/manifest.json
observed a3b4e720870e4c8814a49ff233011072...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.722599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050881/publication.md
observed fd8e1ec73b581eb9743f355734f12e4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.700282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050881/publication.txt
observed affb0fc79e0c31b65b09ae9cb2109135...
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.