OpenTechnical

OT-2026-000087199

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000087199) never changes.

Identity and time

Publication numberOT-2026-000087199 · never reused
Internal UUID01a0ae9a-9f2e-7fa6-b585-d9336afe3866 · 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-2026-000087199
StatusPUBLIC

Content hashes

Canonical text26f1d8b2d89bcf506cc6cf8b79dc494014c70a4581f61493820bd2067f06b3ed
Markdown006b0a3a56f412824bf7c3c7abce6b4ebaa0e26e7e828d5f0ccc475512ba3ae0
PDF
Publication page13787ec575539eb54cd5f4987430e467f98788080a0a467089b956196efbeca3
Manifest0c92c3a4f468c6c757d96f15c00dfd8bdef3fce853fa210782c04c583e67862a

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
SignatureZwOavHJ8QTRCxyjFdO5bTjAm5i4akDlji3idKaqU4fp8NZThAA+qaVj15oDfbwgbbc6b6q3pBiHf0H+6fp48Bg==
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

2026-09-17T09:51:28.579855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087199
observed 13787ec575539eb54cd5f4987430e467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:28.563075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087199/manifest.json
observed 0c92c3a4f468c6c757d96f15c00dfd8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:28.547352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087199/publication.md
observed 006b0a3a56f412824bf7c3c7abce6b4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:28.531114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087199/publication.txt
observed 26f1d8b2d89bcf506cc6cf8b79dc4940...
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.