OpenTechnical

OT-2026-000101082

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump 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-2026-000101082) never changes.

Identity and time

Publication numberOT-2026-000101082 · never reused
Internal UUID01a0aea3-c377-74c9-a28c-da4c44f620c8 · 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-2026-000101082
StatusPUBLIC

Content hashes

Canonical textf2f208cf86b9e6a44bfefb0393ca9d9739fcfc4f3fc73fbee7c0218ac8c160a6
Markdown03c0b10320310076e6b8530ef76e85f01000909a03396989094c57030f925193
PDF
Publication paged767031f3d4b3a4bf3c45e82331c8ee28f3480946a723f6a20ff6da24c7c77b6
Manifest45475ba19c0df08525174aae53b43a67d0c049052c22b2f06e2647e5884a93a5

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
SignaturefLqFJUY0bAxu5nuwuAmJHU4BM1xBjIDi4wb9mVW3SpwMcc+hZv8FtxoLmMKQz1RI0xwIbXmhcTsRK0pgraokCw==
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

2026-09-17T09:26:42.130534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101082
observed d767031f3d4b3a4bf3c45e82331c8ee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:42.111857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101082/manifest.json
observed 45475ba19c0df08525174aae53b43a67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:42.095099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101082/publication.md
observed 03c0b10320310076e6b8530ef76e85f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:42.078116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101082/publication.txt
observed f2f208cf86b9e6a44bfefb0393ca9d97...
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.