OpenTechnical

OT-2026-000087177

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, sustained blow-off 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-2026-000087177) never changes.

Identity and time

Publication numberOT-2026-000087177 · never reused
Internal UUID01a0ae9a-9f2e-7e36-9d8a-e82ab518c054 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087177
StatusPUBLIC

Content hashes

Canonical text20df7684aebba88936cda5cdfe3655ac78b81431970b1b6696e3638e50de5e59
Markdown25f806429f586109c00f16a7fd4ff4bdaacc1ab1dceccff107f33e1baf7a7db6
PDF
Publication pagefcdb49ba10ef960b55525ea1cc85705e4df9139edc819e97fe499876c5346d59
Manifest5bc8485f2b5b93b8c350f1170c0cace97adfcbe29c63e4ce8d68ec64efa9c7c7

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
Signaturec5IdPUVr2tL1Mzgf3R7JSFVN0Xfh1sHeJlZvX56yr/GyM1GLceYk89VlwqRFFyzpLbSkm8/HGXQpuvM7aTIpCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:26.896999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087177
observed fcdb49ba10ef960b55525ea1cc85705e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:26.876120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087177/manifest.json
observed 5bc8485f2b5b93b8c350f1170c0cace9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:26.854365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087177/publication.md
observed 25f806429f586109c00f16a7fd4ff4bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:26.830130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087177/publication.txt
observed 20df7684aebba88936cda5cdfe3655ac...
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.