OpenTechnical

OT-2026-000049381

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000049381) never changes.

Identity and time

Publication numberOT-2026-000049381 · never reused
Internal UUID01a0ae81-8f7b-7760-8148-834507f3ff24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049381
StatusPUBLIC

Content hashes

Canonical text5b966e44f0e40cee05261027e608191e238ec34d4a101658a844706566f92b90
Markdown760e0e7e401a593f625458f81102b8ff9bd1938d2f233408ae5b702f6b47dfc2
PDF
Publication pagee5ffad09292e36ba1e86c5d359ec80e6a704cea5acf74f74a413af3b791b88aa
Manifest15c81c70f818f1720092b30dcc35fe7b5669879a0a8f46e971acd820d1ebd82e

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
SignatureJORO3+q6hwxWCtNw4YiFjs0tl40hcp2Hic/G+4sGJeycgZUQL+LBuXY+1MtbHo/3OUiao+XQ0Y51oohEXWB7Bg==
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

2026-09-17T11:02:11.427483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049381
observed e5ffad09292e36ba1e86c5d359ec80e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:11.409735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049381/manifest.json
observed 15c81c70f818f1720092b30dcc35fe7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:11.390576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049381/publication.md
observed 760e0e7e401a593f625458f81102b8ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:11.369599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049381/publication.txt
observed 5b966e44f0e40cee05261027e608191e...
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.