OpenTechnical

OT-2026-000005713

Publication integrity record

Porous face vacuum gripper, two zone face, two stage ejector, contact triggered

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-2026-000005713) never changes.

Identity and time

Publication numberOT-2026-000005713 · never reused
Internal UUID01a0a942-558d-7b02-bdfa-55e2bccf496d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:08:11.919872Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005713
StatusPUBLIC

Content hashes

Canonical textcee864cb9d1750e005e61c7d72db75d5a561b3ac9b731061045a7ff75a6a5600
Markdown0b85e6fb2f2ce580dada00037f22b95ad25ae745a4fb74460eaf6f27c45837b7
PDF
Publication page7677a20f3ddf6a387b98558fb5269aec600dd7acac22ab3d47153a9a39669585
Manifesta182fdedbc6562f50510115e305cdc5f23677605ed9251fba85f980aad3c7b8b

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
SignaturetAAhlOhTWQDjN2WEAyh9ml333h5kUcTxgp788GCKW48sV/wAAdEDHdiYtK4lnFp1Zprzen2sMsa/zlzjj14jBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:08.623166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005713
observed 7677a20f3ddf6a387b98558fb5269aec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:08.488339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005713/manifest.json
observed a182fdedbc6562f50510115e305cdc5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:08.467620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005713/publication.md
observed 0b85e6fb2f2ce580dada00037f22b95a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:08.450105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005713/publication.txt
observed cee864cb9d1750e005e61c7d72db75d5...
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.