OpenTechnical

OT-2026-000102521

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pulsed blow-off 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-2026-000102521) never changes.

Identity and time

Publication numberOT-2026-000102521 · never reused
Internal UUID01a0aea4-858a-766c-9bcd-64f0bf1d8933 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102521
StatusPUBLIC

Content hashes

Canonical texteb3a59c9e44464fa9ed88286bce6d684d4c456547267d49610dcfe366b5a58e6
Markdown7b9b8aa637eabc624fd0b1b175c0370b0d8d7e457739a945ea04349de873a06f
PDF
Publication pageee762f4a4e6e2a3a67758bd47c5eaf1b4c1305bea80cdf2fe93d004f242a4c9c
Manifest634d7e1035cfbeb5b9fd027702dd3c13b5d73a7f472791ff02bb075414896e18

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
Signature6zqwJ2MsxLCx4Eqyb1HQS7uzmrwAzkuMzDdZyg869PtuczDRlGvt1Fytc/PCBTb1zOnz34uQU9ikjK0SsSnqCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:59.418891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102521
observed ee762f4a4e6e2a3a67758bd47c5eaf1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:59.399823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102521/manifest.json
observed 634d7e1035cfbeb5b9fd027702dd3c13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:59.381580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102521/publication.md
observed 7b9b8aa637eabc624fd0b1b175c0370b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:59.359893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102521/publication.txt
observed eb3a59c9e44464fa9ed88286bce6d684...
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.