OpenTechnical

OT-2026-000033611

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump 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-2026-000033611) never changes.

Identity and time

Publication numberOT-2026-000033611 · never reused
Internal UUID01a0ae75-a38f-74a9-93c8-49aeb16518dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033611
StatusPUBLIC

Content hashes

Canonical texta700eccd7a95657243524c403d134c783ebd667f78096eeef010e916e761bec8
Markdownd6509d06d4af83da25d378cc2c4985664429adc9acec01903e754e485efe43a9
PDF
Publication page4726a1cf2ec5c02e326a84948924c90f85043d5a53ca2336645cd7dc33a48a4c
Manifestc0c0fb140551273a45249a52c3019e2f6a83be8d2dd248625493d82deb786e05

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
Signaturep9iD3J88aSLgsDrNU3xtRuUCcKAxvP3mR4dPCRwG0WItFIE++FLWVa8hNIv71Eb8GtibZHp3jcn8y/tHzbcrAw==
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

2026-09-17T11:31:35.041376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033611
observed 4726a1cf2ec5c02e326a84948924c90f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:35.020841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033611/manifest.json
observed c0c0fb140551273a45249a52c3019e2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:34.999002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033611/publication.md
observed d6509d06d4af83da25d378cc2c498566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:34.980719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033611/publication.txt
observed a700eccd7a95657243524c403d134c78...
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.