OpenTechnical

OT-2026-000027299

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, pulsed blow-off before 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-2026-000027299) never changes.

Identity and time

Publication numberOT-2026-000027299 · never reused
Internal UUID01a0ae72-6996-7da5-8103-5611914b2902 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027299
StatusPUBLIC

Content hashes

Canonical text88bd87d3efc018057106986f1a034149423f2c2a2dc3f1563a4727ae959882ef
Markdown0cd06edc16db3a5a083e3d2303ecb684f58adeed5a691b83905adfe403592e2c
PDF
Publication pagecc8ad81973f18b0dabfbdc2e1147d8f90c6d6d7e33109a903ae380b287af7f47
Manifest783aa8ab0fc8460e9f35201c1dbe5f21553b32b8617da42c2c8c34e1e0e64d05

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
Signaturevlg6W0fBTAa203Udt99SBLznBhIyHDg02bG5Gte7jg8XJYH1qiPQxHojjJS7B0tZ5NgMMmU5QSOtQZhvS2cmBg==
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

2026-09-17T11:42:41.354465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027299
observed cc8ad81973f18b0dabfbdc2e1147d8f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:41.338031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027299/manifest.json
observed 783aa8ab0fc8460e9f35201c1dbe5f21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:41.321396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027299/publication.md
observed 0cd06edc16db3a5a083e3d2303ecb684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:41.303650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027299/publication.txt
observed 88bd87d3efc018057106986f1a034149...
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.