OpenTechnical

OT-2026-000029386

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000029386) never changes.

Identity and time

Publication numberOT-2026-000029386 · never reused
Internal UUID01a0ae73-5e20-7d3f-850e-d5e9dfb9d155 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029386
StatusPUBLIC

Content hashes

Canonical texte0a91d6eb261bc686c1568aa0c58609b1473cd891e975b32e54bb6473330ee15
Markdownefc9efe9a1b2e2915b8753d9add151ee7d34081e6eb6269b14a63d9707efcd35
PDF
Publication page8a9c2c9fdaa1635e2c0ae44c42666059fcb5156aa1a3ae4165127bec3344b3c2
Manifest7fc62ae6add81fdd848619495c586269f38912d6ec5575f1925d4669be95d810

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
SignaturekXYGd3nExwPAd8gMWPw9YMHuguoM8v2C6SjFAQUMwr3mlpa5sbv//Yf+P9T7g4WZcS2ECAkLi4RIoYuLF8PXAQ==
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

2026-09-17T11:38:57.166333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029386
observed 8a9c2c9fdaa1635e2c0ae44c42666059...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:57.147367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029386/manifest.json
observed 7fc62ae6add81fdd848619495c586269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:57.126765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029386/publication.md
observed efc9efe9a1b2e2915b8753d9add151ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:57.109497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029386/publication.txt
observed e0a91d6eb261bc686c1568aa0c58609b...
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.