OpenTechnical

OT-2026-000055775

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000055775) never changes.

Identity and time

Publication numberOT-2026-000055775 · never reused
Internal UUID01a0ae87-09cb-7e7b-8a04-10eba9d9ddf9 · 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-2026-000055775
StatusPUBLIC

Content hashes

Canonical text91712ec297ffb1f4b4578a3d99c2343fef710eac170e7b519e11c9a709f1b81a
Markdown2558ddbca327819586f379c3a5110e12327c6c9b9537952f55e215a03365b604
PDF
Publication pagee5106d24e582166039cde2c12971abb1fb808c2165ff779c5737d40d65c1e9fa
Manifestdcb9766fee870c9c9a22536f27bb35ca9f3aa411f5e8853d71b055149b3c58ac

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
Signaturee+Dq3r2zcUig4BBi5AMo1r02tEWH5aX+o/QdNRjUbSdgXdofvR5EW2/UGMzWBTC2dhbUOo+zy51yS1IpnXo5CA==
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

2026-09-17T10:51:08.158951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055775
observed e5106d24e582166039cde2c12971abb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:08.142247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055775/manifest.json
observed dcb9766fee870c9c9a22536f27bb35ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:08.124853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055775/publication.md
observed 2558ddbca327819586f379c3a5110e12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:08.106616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055775/publication.txt
observed 91712ec297ffb1f4b4578a3d99c2343f...
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.