OpenTechnical

OT-2026-000048229

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after set-down

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-2026-000048229) never changes.

Identity and time

Publication numberOT-2026-000048229 · never reused
Internal UUID01a0ae80-4de2-783a-aec8-fa4c68857845 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048229
StatusPUBLIC

Content hashes

Canonical text42c88ce7298afb2c132a32cf14be46642aaf7bab46680f538271e4bcf16bf9da
Markdown0e3bbafb81936405dc45294cf821995c3430347b78652d455020ac5b4b516c81
PDF
Publication pagefcb42ee9cf6e81f9c5d06465b4c3f6289078b8f9b975bdf323725cd048879e50
Manifest33dd734bff51a58829cddc857a93ca7f7ce0026074c99632a33b1625e49a081b

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
SignatureOj322HnUm4Qcrelb0Eqk+yprGWSy4dlXEnjxWyZdC91KbkJ/vDULAgdFQk1vB36U78N4f/fBXmgIz8QKaqdGBQ==
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

2026-09-17T11:04:47.162192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048229
observed fcb42ee9cf6e81f9c5d06465b4c3f628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:47.141983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048229/manifest.json
observed 33dd734bff51a58829cddc857a93ca7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:47.121534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048229/publication.md
observed 0e3bbafb81936405dc45294cf821995c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:47.102840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048229/publication.txt
observed 42c88ce7298afb2c132a32cf14be4664...
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.