OpenTechnical

OT-2026-000049718

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000049718) never changes.

Identity and time

Publication numberOT-2026-000049718 · never reused
Internal UUID01a0ae81-8fef-709b-82d9-020a45e62593 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049718
StatusPUBLIC

Content hashes

Canonical text2e4855d37701cc6c85c2d6a66d44018ddf1d55fa01b9096386b30c4d1e594b25
Markdownc1cd83d5434602fc8d4fa966f581afc1f61f21811ef52770477b1a23fe4f5f0e
PDF
Publication page8c55391a0f2615359336f15e6843891226d3b7f12b843dbd4c1c8c3ac24613f4
Manifest039393e2eabdc5510de5eb716a0e3e4a35d2ea863748feb80b2b33f1be995743

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
Signature2mA+d4/PnifNiLAA4gGLtdWXQ/5Mz3elexDF0qEt7s3dgeozrq1bmWCm0eZ9t8pHkN0VbBJR8Q6Q8xgvWiJeCg==
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

2026-09-17T11:02:44.225012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049718
observed 8c55391a0f2615359336f15e68438912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:44.204969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049718/manifest.json
observed 039393e2eabdc5510de5eb716a0e3e4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:44.184589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049718/publication.md
observed c1cd83d5434602fc8d4fa966f581afc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:44.164325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049718/publication.txt
observed 2e4855d37701cc6c85c2d6a66d44018d...
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.