OpenTechnical

OT-2026-000054207

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000054207) never changes.

Identity and time

Publication numberOT-2026-000054207 · never reused
Internal UUID01a0ae85-b3a8-7e0e-8c91-0d621a98c842 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054207
StatusPUBLIC

Content hashes

Canonical textabbefd53a2ee77af20bfc4364b08815d4b468150a7d38770ad22904e08423cc0
Markdown5ad9b997d52cc63bdf29ff327d0b0859f50178eb770e3f3f4c4ee5c15b505709
PDF
Publication pageea19e15117cd5009b13ae0299b783eb355bf7b772e19788cec15f62aaa023da1
Manifest725a02b33b66317941dbbecd1f5426e4aec832874afda59557f7407f0cb875b8

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
SignatureXmdj7zK6Ce6NCs8Kqxe/Sa+F9of9dIpJV9anAmClpIXmFAVrf23r4iAscK09vSCyR36jIvrksJH/876p/N7iBw==
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

2026-09-17T10:54:40.772098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054207
observed ea19e15117cd5009b13ae0299b783eb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:40.756984ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054207/manifest.json
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:40.732803ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054207/publication.md
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:40.716868ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054207/publication.txt
observed ...
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.