OpenTechnical

OT-2026-000101920

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, pulsed blow-off after 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-2026-000101920) never changes.

Identity and time

Publication numberOT-2026-000101920 · never reused
Internal UUID01a0aea4-50f1-7018-9d68-44875155dec6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101920
StatusPUBLIC

Content hashes

Canonical text2c362646e77b98791d6cbd96c479f74930c91f2d9def21a261e7f70bb23aab87
Markdownc2ea8832a4b01f701949e9974a189078297a535b2d4afe4571c599d016dbe427
PDF
Publication pageab806262783425e7aa3f8400914b36962369fbb591fea068ef07495c26dbfb1c
Manifestacb832d67c14f8d937f3d0644000a79ac0102e3863328586d94e31e9142c90da

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
SignaturepfaoZaT5ziqlRRYIGNzKaDiwoh7FJRLvM5W6MuWesUamW4AzwCX19GWeM7BnGmsndjjX6MOiiKBKtskXAmcFAg==
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

2026-09-17T09:24:23.474156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101920
observed ab806262783425e7aa3f8400914b3696...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:23.455578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101920/manifest.json
observed acb832d67c14f8d937f3d0644000a79a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:23.407461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101920/publication.md
observed c2ea8832a4b01f701949e9974a189078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:23.326763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101920/publication.txt
observed 2c362646e77b98791d6cbd96c479f749...
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.