OpenTechnical

OT-2026-000027695

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, pulsed 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-2026-000027695) never changes.

Identity and time

Publication numberOT-2026-000027695 · never reused
Internal UUID01a0ae72-699a-7355-87db-b069e3f38b20 · 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-2026-000027695
StatusPUBLIC

Content hashes

Canonical textacef6f651b3b7f3a195b39f1cca2bd09d647691baba4c7ce170d00706a903111
Markdown74c27eac8218ba004468d3539b05be6d032684feb9ed4300ef0739edae9d5513
PDF
Publication page73c10bc2a6f8a442327046f89f63a0b2633ffd9a5c1e38540bbcc39df8e76cc3
Manifest8fb30f4082688b197e7cc9d040f8a819d8d154e4ded87ecd09f4c695553f2a6c

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
SignatureyjlCpi9LFiIAy9dbmgg1/7uR8z5gcMsSLCS9a1rHu3zpbx0fbigy49tASY3w7Omziv2Vyho1OsOg+/zHA1JuDA==
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

2026-09-17T11:43:14.432216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027695
observed 73c10bc2a6f8a442327046f89f63a0b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:14.414303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027695/manifest.json
observed 8fb30f4082688b197e7cc9d040f8a819...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:14.395044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027695/publication.md
observed 74c27eac8218ba004468d3539b05be6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:14.375484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027695/publication.txt
observed acef6f651b3b7f3a195b39f1cca2bd09...
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.