OpenTechnical

OT-2026-000095381

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000095381) never changes.

Identity and time

Publication numberOT-2026-000095381 · never reused
Internal UUID01a0ae9f-8f72-753b-8ecc-e7d0ce9f4d29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095381
StatusPUBLIC

Content hashes

Canonical text7f661f9f7340f6fd017243d73ac4722d4cae2ecbd8cc17badff36d0ebbec36ca
Markdowna47ffd9a5b379841a0a4450d06ca473a4756193285130021697f43388b873910
PDF
Publication page928bb05b9684b6f60c3c0c745d1f15d51c870e649c5f81a7e7038e3fd31a4d62
Manifest734ccb87494d6081b2dca59480259aea2b3c0b7891fd4fb0b4f943b9e49e9feb

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
SignaturePktMoZSlng63zO7Uj07xhv5FzuF6e4szXZuGQM2fI2uuuu0ohjBEpukqWls2RIhuBy9a7S+ZxUwkz8TwzQ+iBg==
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

2026-09-17T09:36:45.061975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095381
observed 928bb05b9684b6f60c3c0c745d1f15d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:45.042754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095381/manifest.json
observed 734ccb87494d6081b2dca59480259aea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:45.024135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095381/publication.md
observed a47ffd9a5b379841a0a4450d06ca473a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:45.005599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095381/publication.txt
observed 7f661f9f7340f6fd017243d73ac4722d...
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.