OpenTechnical

OT-2026-000095031

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, pressure sensor per zone, sustained blow-off before 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-2026-000095031) never changes.

Identity and time

Publication numberOT-2026-000095031 · never reused
Internal UUID01a0ae9f-2df0-7e35-a810-fa4c530b0a57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095031
StatusPUBLIC

Content hashes

Canonical textca87d79c3d6a46548d132ce3e9c2ec2918fbe324bca7ad2f0a157be926010f92
Markdown91b3ee96b2e5f7b72c58ccd64921ee80a9346d7dc769c781f5223a1881f07f1b
PDF
Publication page22e0dca26ed5de8a1a9e0975f259ea080870032e43b5317457298c5f39cb214f
Manifest27c2a3c570e19d371267d23b01d6bb66679b54ab5a95a87be19609c3dec0a787

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
SignatureylutdJZmjiwYXptfQn32iPoylUBdUk4SZXiqIMFNBBK0GiJPfqQoEZBm6MuzR7kzTgvu2fH02moT+hkJDUClDQ==
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

2026-09-17T09:37:35.636797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095031
observed 22e0dca26ed5de8a1a9e0975f259ea08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:35.620396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095031/manifest.json
observed 27c2a3c570e19d371267d23b01d6bb66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:35.604065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095031/publication.md
observed 91b3ee96b2e5f7b72c58ccd64921ee80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:35.588709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095031/publication.txt
observed ca87d79c3d6a46548d132ce3e9c2ec29...
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.