OpenTechnical

OT-2026-000039884

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000039884) never changes.

Identity and time

Publication numberOT-2026-000039884 · never reused
Internal UUID01a0ae78-d8d6-779a-976b-ad85f4956eb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039884
StatusPUBLIC

Content hashes

Canonical textc5da1ce83c4a8e6692ad8b52e480ef0a9cf6c9663e0d4cf7eb4f549d9389242e
Markdowne4a93d6810bacd69664579d1db7fadddb72b5d79754ee1f9c858944da590b67c
PDF
Publication pageb909402b75bbd9b4288974f2c237d1300694385cb892cde4229c953c341be82f
Manifest5f851c0defd5e7f94273b5b6face58fc03836db48328148cc098c8286d728998

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
SignatureR0CJDP21Hl3s3aXRZ2nUVdFZCHtwMuCABikQQxq3d64WRZmDe3WV3j7xw0pbRsSDME0KVRcmVthp1+Qnk9GuBA==
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

2026-09-17T11:20:10.142939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039884
observed b909402b75bbd9b4288974f2c237d130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.124755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039884/manifest.json
observed 5f851c0defd5e7f94273b5b6face58fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.107396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039884/publication.md
observed e4a93d6810bacd69664579d1db7faddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.089917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039884/publication.txt
observed c5da1ce83c4a8e6692ad8b52e480ef0a...
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.