OpenTechnical

OT-2026-000056070

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, vented 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-2026-000056070) never changes.

Identity and time

Publication numberOT-2026-000056070 · never reused
Internal UUID01a0ae87-0a4b-7e65-9bc8-c3ab2ad88812 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056070
StatusPUBLIC

Content hashes

Canonical text5de1c55e272017025310ff1bd6ae1ffd37de2020cdfe8aa44df1b3ed7d85fdbe
Markdown59a46e6d6e61418c5d70b8aac6e2080b82ed115dc60ac9bb386d4771c509feab
PDF
Publication page9a4750da9261a22e8a613eb434f3e1fe602c7b62dc1ca59fe059bb9bd4daaa77
Manifest6e788fb1d90fe747b95f2fbbc3a061f07279ac10154da45f57b0ed987f1ad8c3

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
SignatureiFhyLhLLMnevfP/1y0Ske5Lxm4CFBTMU64Ao4xhnXTLacDVzI+glMjnk70bsmR15HFvYEUdERg5ohwpzQEebAQ==
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

2026-09-17T10:51:36.434730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056070
observed 9a4750da9261a22e8a613eb434f3e1fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:36.415570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056070/manifest.json
observed 6e788fb1d90fe747b95f2fbbc3a061f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:36.399220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056070/publication.md
observed 59a46e6d6e61418c5d70b8aac6e2080b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:36.382047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056070/publication.txt
observed 5de1c55e272017025310ff1bd6ae1ffd...
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.