OpenTechnical

OT-2026-000087095

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000087095) never changes.

Identity and time

Publication numberOT-2026-000087095 · never reused
Internal UUID01a0ae9a-9f2d-7132-a49f-38cc8d151cff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087095
StatusPUBLIC

Content hashes

Canonical text7d60fc14568ba73d85d394f689e1d3e4f948b1ea0d200ce9620716534b436785
Markdown04e79a25a112f4a32c6ddbb7ea1a0fa4b586f18433b0cf5adff3ee587ccd981c
PDF
Publication page1630fc7bd0739c7628085a0c9ea1812f451568d6331ea3f9bec35528bbf10e31
Manifest075780ae5322661580dc1ad895e8775dbc3df6cc2213c7670507927aa6583d89

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
Signature1Ap0FmJg8LBsdGb0BzUOmhDycBR9KwG5WHHHVUfDqWR1VyM1zN3/TRIaO0K7SHgsha5bSPkDe2o5XCrVz8VBDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:21.287331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087095
observed 1630fc7bd0739c7628085a0c9ea1812f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:21.271163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087095/manifest.json
observed 075780ae5322661580dc1ad895e8775d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:21.253746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087095/publication.md
observed 04e79a25a112f4a32c6ddbb7ea1a0fa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:21.236922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087095/publication.txt
observed 7d60fc14568ba73d85d394f689e1d3e4...
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.