OpenTechnical

OT-2026-000049248

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed 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-2026-000049248) never changes.

Identity and time

Publication numberOT-2026-000049248 · never reused
Internal UUID01a0ae81-134f-7e5c-8e8d-a2d3de0192cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049248
StatusPUBLIC

Content hashes

Canonical text603c97722d4f5ebb32294613647350738e3ca295775cb5132bd39d2c4db14f87
Markdown01b7b2f80399799091f761af2c573e9e2da11072a44e6ef2d9e7f5610c7c8184
PDF
Publication pagefb60c58268bea59799edfacbb8f97de9a99e5fea461dec3e6fb893fd41ed61ac
Manifest17d35e7a9c861188b49865c967d8663389cf65cb53a24769c9fd2a2b1fa89aec

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
SignatureYVgSc7SZDfnnCCg3ks+P05ijs+ixlIDzU+uNc713nH0VH+5du+q405xNoUxkZrLexS7b66/LDZBiUkW8MYmHAQ==
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

2026-09-17T11:04:04.926778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049248
observed fb60c58268bea59799edfacbb8f97de9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:04.886503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049248/manifest.json
observed 17d35e7a9c861188b49865c967d86633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:04.853796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049248/publication.md
observed 01b7b2f80399799091f761af2c573e9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:04.820463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049248/publication.txt
observed 603c97722d4f5ebb3229461364735073...
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.