OpenTechnical

OT-2026-000097949

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000097949) never changes.

Identity and time

Publication numberOT-2026-000097949 · never reused
Internal UUID01a0aea1-92f7-7a27-b9e0-a3c55c227e11 · 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-2026-000097949
StatusPUBLIC

Content hashes

Canonical text113b276f9e3adb935414163ccdb4b7a64f2b42d45d1be3b2f28c9392b973c0b3
Markdown48caccc0d37edb8fe39b02a25047401159536c6432cec8b7cefcf28d25fa894c
PDF
Publication page0cb55178c3cd3d4d1b2bd52d980d26b49813cd5c4971a8ea30955fce9182ec68
Manifest72e2f26c5b264e4e68a0d5040fa63bb0c94c7dbb80bf349bf82c23d1b5f5f003

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
SignaturepUhfwc/Ze1+/I0qn1jg/8xPp0DZSAXUQh0MgZSpcJWRKyobA1og8qr8PfcqWAoe97CTSzeTu+QOFLmelIswNAA==
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

2026-09-17T09:33:05.255005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097949
observed 0cb55178c3cd3d4d1b2bd52d980d26b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:05.237172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097949/manifest.json
observed 72e2f26c5b264e4e68a0d5040fa63bb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:05.218412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097949/publication.md
observed 48caccc0d37edb8fe39b02a250474011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:05.199670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097949/publication.txt
observed 113b276f9e3adb935414163ccdb4b7a6...
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.