OpenTechnical

OT-2026-000049593

Publication integrity record

Six cup vacuum gripper, six 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-2026-000049593) never changes.

Identity and time

Publication numberOT-2026-000049593 · never reused
Internal UUID01a0ae81-8f7d-7037-9369-e992242a4deb · 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-2026-000049593
StatusPUBLIC

Content hashes

Canonical textb32bd8a5e42a3260924ad3389ca8449205bdeac483c28b97030dc6ebde219679
Markdown0f265223fd71608d741be52f31b60273c63a327724940f6ac0dce19b120a6c85
PDF
Publication page67097e0f5152c9e1660830db86157ac0600621442df05d197d8a8adba755890a
Manifest04520a2a6ed6cd4b878210c82212107b1390c0c188f40507127df96b72e56555

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
SignatureNSgtvRU6/1tYdSci28R8P1Prrw13+p5e2kbh6DqaFDosgtTuoK2I2ArlJlOGtPxtAAMSTbU8HYV6VP1Ys/f5CA==
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

2026-09-17T11:02:34.278449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049593
observed 67097e0f5152c9e1660830db86157ac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:34.259164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049593/manifest.json
observed 04520a2a6ed6cd4b878210c82212107b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:34.237577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049593/publication.md
observed 0f265223fd71608d741be52f31b60273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:34.219771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049593/publication.txt
observed b32bd8a5e42a3260924ad3389ca84492...
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.