OpenTechnical

OT-2026-000080121

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000080121) never changes.

Identity and time

Publication numberOT-2026-000080121 · never reused
Internal UUID01a0ae96-4378-73d0-85ba-c472754d088b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080121
StatusPUBLIC

Content hashes

Canonical textebf06154ce69ce1206d4605bba1dc904a1f86ad42aab692aff93b083bf8e5c5d
Markdownff72fdd4120ddecd7e06f16d14981422851349e25adc3d9ad04bd712d0c072bd
PDF
Publication page92c3bb9b7b1d3b62129f401bc9c22bec503c905e4f810c349341b68875932c77
Manifesta0d64ceba6332e9b0e83641d0574a47a5e40b8c985c7ec726ae7877dc6a21e5f

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
SignaturelaMZlwnkSEJJHHd/gRKubPXZTLudoAd/SGE8Q5KucLEZMEFPeiWXb0+Sc7bALDnQUllS/AdROX1G5L4zPwJdBw==
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

2026-09-17T10:04:04.023596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080121
observed 92c3bb9b7b1d3b62129f401bc9c22bec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:04.006632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080121/manifest.json
observed a0d64ceba6332e9b0e83641d0574a47a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:03.987463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080121/publication.md
observed ff72fdd4120ddecd7e06f16d14981422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:03.968744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080121/publication.txt
observed ebf06154ce69ce1206d4605bba1dc904...
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.