OpenTechnical

OT-2026-000055299

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000055299) never changes.

Identity and time

Publication numberOT-2026-000055299 · never reused
Internal UUID01a0ae86-a100-7a36-b3c4-50cc2c9f3395 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055299
StatusPUBLIC

Content hashes

Canonical text006c1261b34e6aa8eaa9874e1a5d18681a3abc387378b2b1aa8c7d21c8e13ef0
Markdownd92b22988b90a5490dde5241f02ab0892b4ebb7ce1bc27d8f5121821dd92319f
PDF
Publication page799d556df1004665f3778391fd425cb01cd2635cf6b14ba7ba7a6794e48c2923
Manifestfe332e1820a4b8c06a32c78fbce27efb2085a355b810ecca2a4448429d757cdf

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
SignatureHTWsC9dnycbDqe3reIvW1WX+uMHJoh+bFao0Jhbg70MsId/KNN+Jr3EbNNkHcD21QrBUbhyHpM1hhx6aAVh7BQ==
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

2026-09-17T10:51:54.161728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055299
observed 799d556df1004665f3778391fd425cb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:54.142456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055299/manifest.json
observed fe332e1820a4b8c06a32c78fbce27efb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:54.124545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055299/publication.md
observed d92b22988b90a5490dde5241f02ab089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:54.106377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055299/publication.txt
observed 006c1261b34e6aa8eaa9874e1a5d1868...
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.