OpenTechnical

OT-2026-000069002

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000069002) never changes.

Identity and time

Publication numberOT-2026-000069002 · never reused
Internal UUID01a0ae90-6dcd-7944-b226-c5e05196535d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069002
StatusPUBLIC

Content hashes

Canonical text4f172fb9be03c3986220ebdc8b834495319593f9d0ef09779cbc7583b21dbf42
Markdownded416c8004cc5287a6555e74d6a64fbff9c0e4728e5ee9e585539c946585b04
PDF
Publication page6cf23d004652196f19f16303a4b5c141aa4357cc7e1397bbb7838f5fc42933fc
Manifest880cbaddc72f8c4fe608eeacd78dd4344f6b7985b5103675088df46002389e97

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
SignaturekgIB+RpZMPhaFdDHvqXa1nm5SCCRqr2advd4q0wskBNsGG5LqRJWI715CzQHSTVF6R+K53sCR8ip1ktpRrkmAQ==
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

2026-09-17T10:28:50.948838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069002
observed 6cf23d004652196f19f16303a4b5c141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:50.932810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069002/manifest.json
observed 880cbaddc72f8c4fe608eeacd78dd434...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:50.915651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069002/publication.md
observed ded416c8004cc5287a6555e74d6a64fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:50.899747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069002/publication.txt
observed 4f172fb9be03c3986220ebdc8b834495...
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.