OpenTechnical

OT-2026-000049884

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line 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-2026-000049884) never changes.

Identity and time

Publication numberOT-2026-000049884 · never reused
Internal UUID01a0ae81-fd76-759a-b1ef-205a16565901 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049884
StatusPUBLIC

Content hashes

Canonical text9493f6f0ee440a5f8babba0f4e6fe47b89c384776bfb865e7bec3304e88aec77
Markdown46c77ba1e03e957aa7a2b42eaa95a4e93e6cb2bd6af17c3e2e0947d675c9a243
PDF
Publication page8e54cd4c6a26b6cbf3756c4aa1b067ab982ae2ef53729ac42d2dc22b8222fec3
Manifestff771215fad13dfa9522b0f4a1ba4f4daf55fcae3d6fea244b6be8e979054833

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
SignatureiqPO5pWVVbX71DUxMGWLswGMRRDyTb5SD4Y5NTxQcC22SyinauGp1OpdcuJeBto2Ql3mFIi17x2nZuKzcgdXAg==
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

2026-09-17T11:01:47.952887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049884
observed 8e54cd4c6a26b6cbf3756c4aa1b067ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:47.932402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049884/manifest.json
observed ff771215fad13dfa9522b0f4a1ba4f4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:47.910931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049884/publication.md
observed 46c77ba1e03e957aa7a2b42eaa95a4e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:47.891681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049884/publication.txt
observed 9493f6f0ee440a5f8babba0f4e6fe47b...
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.