OpenTechnical

OT-2026-000049958

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after set-down

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-2026-000049958) never changes.

Identity and time

Publication numberOT-2026-000049958 · never reused
Internal UUID01a0ae81-fd77-73c4-a7bd-5e2b5f44fa13 · 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-2026-000049958
StatusPUBLIC

Content hashes

Canonical textaed9884e14879e9886cfd3fea93c8c1a2d84f495531712d50f742d23c2946e62
Markdown9a44e12faf5e07e023a885553fadc63873c8f9b820d93604ee30ce2420996dc2
PDF
Publication page4457c3dace3735ecfbecc1b52b0f2c4941777fcb6af73928cfe940bfe8773cf7
Manifest054ca354f6e88bc7b71c9f084b24b8e2258f89785f4a2a536e12a8917602306e

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
SignatureEs1ev+z57KrjcpN7Mc8MaBzKfORjLvv+Zj3xgCMe68lzShFYZpsNIWj5/x/66UtbEQRR/QD0YDzMgRNlFf/mCA==
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

2026-09-17T11:01:54.110641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049958
observed 4457c3dace3735ecfbecc1b52b0f2c49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:54.089922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049958/manifest.json
observed 054ca354f6e88bc7b71c9f084b24b8e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:54.068710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049958/publication.md
observed 9a44e12faf5e07e023a885553fadc638...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:54.046637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049958/publication.txt
observed aed9884e14879e9886cfd3fea93c8c1a...
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.