OpenTechnical

OT-2026-000101049

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, 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-2026-000101049) never changes.

Identity and time

Publication numberOT-2026-000101049 · never reused
Internal UUID01a0aea3-c377-7773-9b68-a98670f2df18 · 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-2026-000101049
StatusPUBLIC

Content hashes

Canonical text7bc2bf8081adcdc20f34f7663c25be0ed2e7e7d4948e1bdd2b7f8e53773b7fe0
Markdownb807f59874216850a9b64eefeba2a11101a06162c2260b07a24304937e4b42db
PDF
Publication page6fd85ce5ce7a8c4b0156873a13ff9b7357f73dae78e58dea7655cf2d10e96e95
Manifest7bff41522afdf0fcb55a5af6c8be054a0f3ed56d67e026a8f4e570f576567d1e

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
SignatureZ/e1iEjW8CmmObnXFxCJrjdcz61PLdXDvK5tjc7f9kDat7q2Q7bTPLL2/d6/ZwEuEoUjvAks29Xr8DOoqQawAA==
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

2026-09-17T09:26:39.637591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101049
observed 6fd85ce5ce7a8c4b0156873a13ff9b73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:39.620250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101049/manifest.json
observed 7bff41522afdf0fcb55a5af6c8be054a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:39.602199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101049/publication.md
observed b807f59874216850a9b64eefeba2a111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:39.557497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101049/publication.txt
observed 7bc2bf8081adcdc20f34f7663c25be0e...
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.