OpenTechnical

OT-2026-000101619

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, pulsed blow-off after 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-2026-000101619) never changes.

Identity and time

Publication numberOT-2026-000101619 · never reused
Internal UUID01a0aea4-0e15-7dd6-bca5-55d990c5cf60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101619
StatusPUBLIC

Content hashes

Canonical text4f8724324922f42dc7d0c8706f69f8ef65f30ce02c52108aedc1ed836122f336
Markdown45074652d9f1c36d8a674c1aae2fd0fb46ab03d671875c6e8829f6c6ad9c70d9
PDF
Publication page62552f664e2dcfb088b1ed9ffdb3e67dee504db87806aec503fd955e4ef65e35
Manifestf46f7cb77b4d8afc2db00ba5f06ea365065eef23e24ccdfe28bd562b19ca1499

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
Signatureh3b1SnUx6+8KshLSsKHckbk/uYWwZmkxPTPis9DqjpnI2tMJkJI5xkcQNdQCXhGQstKzjN8RyXPDYqHF+QChCQ==
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

2026-09-17T09:25:44.475356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101619
observed 62552f664e2dcfb088b1ed9ffdb3e67d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:44.455668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101619/manifest.json
observed f46f7cb77b4d8afc2db00ba5f06ea365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:44.436533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101619/publication.md
observed 45074652d9f1c36d8a674c1aae2fd0fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:44.418050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101619/publication.txt
observed 4f8724324922f42dc7d0c8706f69f8ef...
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.