OpenTechnical

OT-2026-000091835

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000091835) never changes.

Identity and time

Publication numberOT-2026-000091835 · never reused
Internal UUID01a0ae9d-43ba-761f-bc13-e04c3e51bec8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091835
StatusPUBLIC

Content hashes

Canonical text2f9a2adc712645a72dd8654538d222dbdccf1f7e5289c932b761527d3aaa1599
Markdown641d630eda1efb603ac2d7c21730db8b6675ea0e199b08054fe1f3490c096ef2
PDF
Publication pagee22a5349c09d42e8b00cc8f78547d282c5b128623e128f6dbcfa958c4918ef6c
Manifest9c9d6fd7e54714c05d2746ca565e8f5472db06a32a2afa7162a32d6a599fff49

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
Signaturef0ucdvE3wd4Qm/9PCOmzhuMTfBDk60yfWxbJrAPb7RgDoLbf/oulquJ47gyYuzLqPi15nADNjwHQ8xX+0k0yDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:42:45.112175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091835
observed e22a5349c09d42e8b00cc8f78547d282...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:45.096898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091835/manifest.json
observed 9c9d6fd7e54714c05d2746ca565e8f54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:45.081206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091835/publication.md
observed 641d630eda1efb603ac2d7c21730db8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:45.064436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091835/publication.txt
observed 2f9a2adc712645a72dd8654538d222db...
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.