OpenTechnical

OT-2026-000103738

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three stage ejector, pulsed blow-off after 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-2026-000103738) never changes.

Identity and time

Publication numberOT-2026-000103738 · never reused
Internal UUID01a0aea4-e462-7613-81ea-d9d8db969446 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103738
StatusPUBLIC

Content hashes

Canonical text75d664ee3c1893a2c39349604e29beaed32d5cfb693e6765ebda5b5de72245f8
Markdown20c2ea3a12a0150ce8692033a098876f716b99bf8ff898af18bd8ec48d7870eb
PDF
Publication page2943898962b15b8225d0e00a6eb28fa40ba48df7687604ae02426dc5af495893
Manifest738f49479bee0d6c460d5cd5422a41715cca0ba3f2d8f228a3961c9809d17497

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
SignatureVVZLScAK2Vb3g9d45HvwqeOWDsO+Hj3iIX5judoUf+w93COsFf6SJC5P+pwW7avIC1Osc5qJ7MIKnqZHoS4ODw==
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

2026-09-17T09:22:41.196008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103738
observed 2943898962b15b8225d0e00a6eb28fa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:33.309216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103738/manifest.json
observed 738f49479bee0d6c460d5cd5422a4171...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:33.293179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103738/publication.md
observed 20c2ea3a12a0150ce8692033a098876f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:33.277539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103738/publication.txt
observed 75d664ee3c1893a2c39349604e29beae...
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.