OpenTechnical

OT-2026-000101269

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000101269) never changes.

Identity and time

Publication numberOT-2026-000101269 · never reused
Internal UUID01a0aea3-c379-7adf-ac2c-e643faa98128 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101269
StatusPUBLIC

Content hashes

Canonical text07bcbb7fecd199ec887d6a8ba1e055b1e33abbec443703c21e6699c2c9cf3ef1
Markdownb6f28ad30529570741cee2515372925f2b86d167b40165217adb89739fdb99d3
PDF
Publication page4f9dd426811d158541c128b0ce79319a50be53f62c79782047899bec18b65967
Manifest3111129e18bcfafa4f2e2a2b2f982dd8064f6b25665f3ebc0cab8107d1526e62

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
SignatureGk+8hh+wkWFvwhiHKspcdavTlYHrF6UAOAMfU4V/8kvgPYQOJviIdBhdk1VyGQXSxFJ4T2ivF/wscxCBAU8oDA==
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

2026-09-17T09:26:56.149459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101269
observed 4f9dd426811d158541c128b0ce79319a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:56.131223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101269/manifest.json
observed 3111129e18bcfafa4f2e2a2b2f982dd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:56.114080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101269/publication.md
observed b6f28ad30529570741cee2515372925f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:56.096696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101269/publication.txt
observed 07bcbb7fecd199ec887d6a8ba1e055b1...
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.