OpenTechnical

OT-2026-000010932

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, vented 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-2026-000010932) never changes.

Identity and time

Publication numberOT-2026-000010932 · never reused
Internal UUID01a0ae6c-540d-7b5f-adb5-8ca259b860dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010932
StatusPUBLIC

Content hashes

Canonical text6e9337046e65403e4aa1f6eb14c5eb4b6d81fa2b7a861fbe4503935fb5fd162e
Markdowna342f76d7e996341817de553577b1973f836b2ace68c1c778cc9ba79dda2b9a7
PDF
Publication page0714946236535b45aea4867a4ef0140d71abedf7f691753d6044712e2ea454c4
Manifesta15bd8d62f56f705f794fac38a46a1fb795e11199adbd059c6984f8ed53d9253

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
Signature1rFj6wa9orX5QOhtrZ6mFd/97gVkpl5s7IaeO+kkF62gARbsiJ9LwEVSIcY6K5vBe+XPt0FZh/PTNhuNfwefCA==
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

2026-09-17T12:13:43.126969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010932
observed 0714946236535b45aea4867a4ef0140d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:43.106310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010932/manifest.json
observed a15bd8d62f56f705f794fac38a46a1fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:43.086747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010932/publication.md
observed a342f76d7e996341817de553577b1973...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:43.066842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010932/publication.txt
observed 6e9337046e65403e4aa1f6eb14c5eb4b...
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.