OpenTechnical

OT-2026-000006727

Publication integrity record

Bellows cup vacuum gripper, two zone face, per zone isolation, ejector fed, plastic cups

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-2026-000006727) never changes.

Identity and time

Publication numberOT-2026-000006727 · never reused
Internal UUID01a0a965-527f-72da-a793-534168cd76d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:46:24.897603Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006727
StatusPUBLIC

Content hashes

Canonical textdd5f9ca1041f9146faec9c64b11f9f6f47a9de78105aed786306e9e0e0491867
Markdownf5918c83bb323579f51044b5317ddbe2dca094bf863c7a4d9bc490c389584447
PDF
Publication page5f9b9dac14d8b513faa073123bb5d6ff07f2fc7a122333e29af5cf16363fcefc
Manifestd6150bbf743ec72d4a4aa5f261e436010f5ac986214d0557e092e29085d81b12

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
SignatureovbPCgFObt4cBvg36mD91drgbb3xwbODCdv7ibmqnpcTdHMbBYNpea+fLDzStOxxBGj6y1fPWwOd28pGyssyCA==
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

2026-09-16T08:50:12.924313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006727
observed 5f9b9dac14d8b513faa073123bb5d6ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:12.913154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006727/manifest.json
observed d6150bbf743ec72d4a4aa5f261e43601...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:12.900957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006727/publication.md
observed f5918c83bb323579f51044b5317ddbe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:12.887647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006727/publication.txt
observed dd5f9ca1041f9146faec9c64b11f9f6f...
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.