OpenTechnical

OT-2026-000017239

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pulsed 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-2026-000017239) never changes.

Identity and time

Publication numberOT-2026-000017239 · never reused
Internal UUID01a0ae6e-76c8-76f2-b065-56b1b32aa70e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017239
StatusPUBLIC

Content hashes

Canonical textb2c1b5abe294fa22dbf6e882121ae63e0519968e57f6b1874015f5f8f6464586
Markdown85ff412bcb84bf49b18cca3189545a78727d9c2809ffb77dbc982a36c62c311a
PDF
Publication page77312ed8c1025162031b91bb73e72242d1a0e7954ee62da79315bed04bc7626f
Manifest262e01f1d35f310c7454d40637124fcde0d8ca7e6d5c3f2b34c9a23682568897

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
Signature3B4IMbmIOm0nIkNwaS+naWNd8JvxWP5yf8/S7Z0Xcmj9X85GBjhccfpy00hTW3v+u6a2fUSp9GXwacN3q61PBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:19.284679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017239
observed 77312ed8c1025162031b91bb73e72242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:19.268040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017239/manifest.json
observed 262e01f1d35f310c7454d40637124fcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:19.251052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017239/publication.md
observed 85ff412bcb84bf49b18cca3189545a78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:19.235033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017239/publication.txt
observed b2c1b5abe294fa22dbf6e882121ae63e...
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.