OpenTechnical

OT-2026-000008673

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, vented after 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-2026-000008673) never changes.

Identity and time

Publication numberOT-2026-000008673 · never reused
Internal UUID01a0ae6a-e46b-7108-b0ef-284259af6767 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008673
StatusPUBLIC

Content hashes

Canonical text194ff6a4691828116efff392ffbe4ea6225daa97aef62fe78b2c7df069bfb3bb
Markdownb8806b5ed95db9bd58380f040fcf80f99aa48e9fd99a0b9a39624367328b274c
PDF
Publication page71eb0e56094af7421498c82c10cc8f66462d58d1c730d0e76b643720a2e843b6
Manifestc3982c225bf314528071b31485789a3bd88f5a6fe64a77ded222918958dde820

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
SignatureTy/noEtYFA2qommKcEASfjyQTpyqFPovD5UUoX2BaMKBzFxkT+TWgATaU4BxUXeDMV4kbMHvlAl5mrlCbxhuAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:06.910795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008673
observed 71eb0e56094af7421498c82c10cc8f66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:06.891672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008673/manifest.json
observed c3982c225bf314528071b31485789a3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:06.863527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008673/publication.md
observed b8806b5ed95db9bd58380f040fcf80f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:06.833628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008673/publication.txt
observed 194ff6a4691828116efff392ffbe4ea6...
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.