OpenTechnical

OT-2026-000053359

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000053359) never changes.

Identity and time

Publication numberOT-2026-000053359 · never reused
Internal UUID01a0ae85-0a8f-7deb-babb-68477a452c55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053359
StatusPUBLIC

Content hashes

Canonical textac1d026e713ed6c9230bd474c68886bc149fa7c5b5ab0e6c25e84e2165b6b44a
Markdownd1f1640e7bf1f7329d8900eba51f4199228cf52e863e95985d31e33a39e22fe0
PDF
Publication page2e6ef426269bed736fdecc4df020db44869004c773870485bc68175de29725cb
Manifest7c149534359ff957e85c19d551b867c68f7b6708acbe2e2e8128bce037f69d61

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
Signatureyk+IEMzFaHIWXVYDWHez9W0fo7kzqW1aTnmEhbWDzMqeByymTR+gOfzMEQues0kmGOMA7moRYgY4+nvAFTDABA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:04.362626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053359
observed 2e6ef426269bed736fdecc4df020db44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:04.345483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053359/manifest.json
observed 7c149534359ff957e85c19d551b867c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:04.325203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053359/publication.md
observed d1f1640e7bf1f7329d8900eba51f4199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:04.305999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053359/publication.txt
observed ac1d026e713ed6c9230bd474c68886bc...
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.