OpenTechnical

OT-2026-000048715

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000048715) never changes.

Identity and time

Publication numberOT-2026-000048715 · never reused
Internal UUID01a0ae80-c32b-7dff-94af-a1774d9c07bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048715
StatusPUBLIC

Content hashes

Canonical text02e8beabd1679716325c7a23da15a16ffa57b65d840e688b317cd3dec32bfaec
Markdownf6307a14c0b3a07997b8275bc9df9d446b810d3ad10e44e8fd366d663e5d4ce1
PDF
Publication pageb0f08d3de08012c64eaa81f3b4dffbb2374db88f8d4b92b6ec2771232716d746
Manifestd5c1147de12bedfe606ac96b6f634d0f04ae553c67e7aafc49762f2f497165ee

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
Signaturen+lN5GzgO6yGXZv9vbQcPAXUcQPuMTF95fKsqrpQOB+sqiklLS0fRaVZ5sjB43+kT9/eEANU2bNW68fI7Ga1AA==
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

2026-09-17T11:04:21.451043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048715
observed b0f08d3de08012c64eaa81f3b4dffbb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:21.427661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048715/manifest.json
observed d5c1147de12bedfe606ac96b6f634d0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:21.402228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048715/publication.md
observed f6307a14c0b3a07997b8275bc9df9d44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:21.367678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048715/publication.txt
observed 02e8beabd1679716325c7a23da15a16f...
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.