OpenTechnical

OT-2026-000006316

Publication integrity record

Porous face vacuum gripper, three stage ejector, pressure verified, contact triggered, open cell

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-2026-000006316) never changes.

Identity and time

Publication numberOT-2026-000006316 · never reused
Internal UUID01a0a956-b967-714f-9c2c-f4a01f8975f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:30:28.202584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006316
StatusPUBLIC

Content hashes

Canonical textd00295020b32e5158e40883967ed1b1694efe0cb8cc1bdf75065fe54575c0a98
Markdown1db53756ae31cce890aaa950f123da2beb0d16b42c9f16cb059cd78b089b5dee
PDF
Publication page15b9244282b9da9b93354411bd8a7da897ce0d04c285504ef3c508f609ca6f32
Manifestd0eac9b3c7a2b797e068d74570c798e10212b551850fb90fa96114aeaa6d7856

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
Signature1RVqPuux+ABf6yhbM1SFN6If2yQ0Co42G1kgzk+AjF+ffAwYo0b1kQZKwZhZHYgxnJd9udbVUodX2KyigZpGAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:32.680697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006316
observed 15b9244282b9da9b93354411bd8a7da8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:32.666648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006316/manifest.json
observed d0eac9b3c7a2b797e068d74570c798e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:32.654483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006316/publication.md
observed 1db53756ae31cce890aaa950f123da2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:32.640595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006316/publication.txt
observed d00295020b32e5158e40883967ed1b16...
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.