OpenTechnical

OT-2026-000089888

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000089888) never changes.

Identity and time

Publication numberOT-2026-000089888 · never reused
Internal UUID01a0ae9c-428d-790b-b7b2-571fdb684b35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089888
StatusPUBLIC

Content hashes

Canonical textbc7761214902c5fd4e86528a8a4b8622a833653b2155a177ad1d0d6236bf8f88
Markdowna8e565bfcd38b86386b523164bbf27ffb44830bf9bce4b3826849a5e11e89153
PDF
Publication pagecf39bd24eb368b94de6403f6320e328b3b1a4d09b4ab39a66e1618353d65af2c
Manifest022908be8287f31a2f7b64cbda179407f9bc1e450c3e82ce2ed999b7a912f94d

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
Signaturel7JFLRNSIq59FdcMGxJXT3dGCHGiJlXOt5pJrbcOs0SSnCppHCJwSZe21YY0YS7BLdkrnM9bB5fCPmNjJQUDCA==
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

2026-09-17T09:45:09.148042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089888
observed cf39bd24eb368b94de6403f6320e328b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:09.130186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089888/manifest.json
observed 022908be8287f31a2f7b64cbda179407...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:09.113880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089888/publication.md
observed a8e565bfcd38b86386b523164bbf27ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:09.095221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089888/publication.txt
observed bc7761214902c5fd4e86528a8a4b8622...
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.