OpenTechnical

OT-2026-000100756

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two 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-2026-000100756) never changes.

Identity and time

Publication numberOT-2026-000100756 · never reused
Internal UUID01a0aea3-66f4-7967-a1a8-c643754097ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100756
StatusPUBLIC

Content hashes

Canonical textc2fa0e286bc582e2da6357a02945dbe11ba7931bf58edfcc2b550f038d9f0a31
Markdown8f3637619b568e304fe1fb1d963d48823df8f1d4152653415d46d435e5bcb7e0
PDF
Publication pagea18771c3053357491fe8b7ea557aef964fb373a8fdf82391cf9cb49d6d063d06
Manifesta660e46c6b1be31b6fcbc1dcbbfa737882b2977e3486fb067536384db00870ec

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
SignaturenEIPoY+hypiqI5xN1OLycAdCjmQqf9MybfKaQVQ8XDjVH01FdaNqHDlLtkkua0POwmnpo2eLwnpSvdcgCdOzAQ==
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

2026-09-17T09:27:35.562800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100756
observed a18771c3053357491fe8b7ea557aef96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:35.545587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100756/manifest.json
observed a660e46c6b1be31b6fcbc1dcbbfa7378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:35.528158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100756/publication.md
observed 8f3637619b568e304fe1fb1d963d4882...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:35.512458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100756/publication.txt
observed c2fa0e286bc582e2da6357a02945dbe1...
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.