OpenTechnical

OT-2026-000075544

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, vented 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-2026-000075544) never changes.

Identity and time

Publication numberOT-2026-000075544 · never reused
Internal UUID01a0ae94-29fc-7c3b-bb66-c1385a04cde1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075544
StatusPUBLIC

Content hashes

Canonical textda4a5aa036511da07a6e5dc5c7c48207861d6e07f49883cd485a5aaa2c426cd6
Markdown60c586baffe6e09e8363a5344a94f77a7c8ba6e2e0b5181a090b4162573fc694
PDF
Publication page5072a79403696f0b320c0b8f8840f24c4604c5417918649abd99507a6f33d6c2
Manifest047f339527e9adf1d5a945e9b9d053bc122acdfc76f344f32c8c2d1f9fd612a9

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
Signaturew9QpbrOdsatlpFv1TGqojxYLqPSrgu1nW5NiTjjQmnb/tFLe/MWz3SfGOHay7EDvZwrvFEl6W6hx/yijNiXgDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:13:03.264258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075544
observed 5072a79403696f0b320c0b8f8840f24c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:03.244049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075544/manifest.json
observed 047f339527e9adf1d5a945e9b9d053bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:03.224855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075544/publication.md
observed 60c586baffe6e09e8363a5344a94f77a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:03.205627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075544/publication.txt
observed da4a5aa036511da07a6e5dc5c7c48207...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent