OpenTechnical

OT-2026-000034979

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line pressure sensor, pulsed 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-2026-000034979) never changes.

Identity and time

Publication numberOT-2026-000034979 · never reused
Internal UUID01a0ae76-6a1c-7e2b-9709-0a267d7ffcd0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034979
StatusPUBLIC

Content hashes

Canonical textc77fac55979d3719f7152e37b98b55f121f2555647dd00d6ae2318a817b78551
Markdown7052cee94d1daa496b93df16e45ec9b9ceb147214473199a435a059c4d73ec5b
PDF
Publication page532b339c2c79df33a7d25e95b145e8a8e86c8e8d0742d8908ac9661e25e3c2af
Manifest5f1def4ccae6d6d74c8b34f04f7435112d933e76d75b046467ec29f8688f07cb

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
SignatureZlCy2/9HrPbQSFvF7c8nSKNbD3Fd4PDYqoUekhdjDbeJ5ht6lIp8d4SwTeuE4b0awkNhGtf91HQlkEISK8eCAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:27:54.687671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034979
observed 532b339c2c79df33a7d25e95b145e8a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:54.668699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034979/manifest.json
observed 5f1def4ccae6d6d74c8b34f04f743511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:54.649352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034979/publication.md
observed 7052cee94d1daa496b93df16e45ec9b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:54.585123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034979/publication.txt
observed c77fac55979d3719f7152e37b98b55f1...
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.