OpenTechnical

OT-2026-000097675

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000097675) never changes.

Identity and time

Publication numberOT-2026-000097675 · never reused
Internal UUID01a0aea1-92f4-76d7-9be8-3ef47e4eec38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097675
StatusPUBLIC

Content hashes

Canonical text648390b68f70f623b7f20add73811550835a63cb0a108749bc4844bc33cbf9da
Markdown5d00b2cb3cf1c9d694b5d85fd9a1f52d213a3a1905d2693940f2d78a42520f71
PDF
Publication pageccb3d4e76f36eec446f7659f7069265dd9ef6d52df3181b0421b41efd39f339a
Manifestdc40b9fc5b5349d2720f094e7310fd4dd10ad28d97c84aa286f09acf77c62745

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
SignatureDCFj0xP9El2wsoEGeEi09qYEQMffSD+32NZaZVNIvZzo8tas2zr0maX7+eXStKbWlCDDOZrjNr0iARkAZ3GwAQ==
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

2026-09-17T09:32:41.752689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097675
observed ccb3d4e76f36eec446f7659f7069265d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:41.737207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097675/manifest.json
observed dc40b9fc5b5349d2720f094e7310fd4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:41.719032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097675/publication.md
observed 5d00b2cb3cf1c9d694b5d85fd9a1f52d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:41.700690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097675/publication.txt
observed 648390b68f70f623b7f20add73811550...
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.