OpenTechnical

OT-2026-000061649

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three 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-2026-000061649) never changes.

Identity and time

Publication numberOT-2026-000061649 · never reused
Internal UUID01a0ae8b-7b45-768b-b180-cc72f9495365 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061649
StatusPUBLIC

Content hashes

Canonical textf9c0b822eebebfe7f04f186629bec354032b6644ecadb92e7ed258e4adfda673
Markdowneccd475e2a1dd92b4cc0692a6ac3117e79f8a216fc4b0bfaa4c3f618cf1fa163
PDF
Publication pagea152f7e2767bf81b9c17c837830baf12a19c6ebfc2b5a09dc9e6211f9f5650f2
Manifest661ea6cebf3a5af8461c02a5dea25f1aafa2983ce03290a6695bb65a2f2e11ac

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
SignaturegA/1Vy6SsJDyfWKWzqebq03bFu4TpHLfBiu1BMvfI9RrHU7Wp256OAzFpqdl19FDU5fu2YMfWq4MTcsVcvo5DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:35.606075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061649
observed a152f7e2767bf81b9c17c837830baf12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:35.587518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061649/manifest.json
observed 661ea6cebf3a5af8461c02a5dea25f1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:35.567203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061649/publication.md
observed eccd475e2a1dd92b4cc0692a6ac3117e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:35.546852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061649/publication.txt
observed f9c0b822eebebfe7f04f186629bec354...
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.