OpenTechnical

OT-2026-000089039

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000089039) never changes.

Identity and time

Publication numberOT-2026-000089039 · never reused
Internal UUID01a0ae9b-daff-7feb-ab95-fb908867c2a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089039
StatusPUBLIC

Content hashes

Canonical text0e1ed5ff9eff00281e71e714a2c3c300a4298458df37ec0660c878f894620662
Markdown2a4fa64a1c4b513eabb9fa20ca5595edfa7cc1019456b94e562ea5654ec65112
PDF
Publication page7144239d98364adc73bc7df640b545698c1340ecc0be30d0411d244fdc131b15
Manifestf0c332f9b50295c0e2527eb81a72623c06e3d2ba667b53d8a58368939a0bae98

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
Signature/ayj7chUwVVhQqQICKINlV1DzRh4gcwGWcjdMrg/J12kdDZSt1q18FpgiQqK077BGrbqSpmyCEbiqrNbCOVDDA==
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

2026-09-17T09:46:56.154451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089039
observed 7144239d98364adc73bc7df640b54569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:56.138321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089039/manifest.json
observed f0c332f9b50295c0e2527eb81a72623c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:56.122021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089039/publication.md
observed 2a4fa64a1c4b513eabb9fa20ca5595ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:56.106229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089039/publication.txt
observed 0e1ed5ff9eff00281e71e714a2c3c300...
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.