OpenTechnical

OT-2026-000008128

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, pulsed blow-off after 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-2026-000008128) never changes.

Identity and time

Publication numberOT-2026-000008128 · never reused
Internal UUID01a0ae6a-908c-7c31-b7a5-06a1cbe13a63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008128
StatusPUBLIC

Content hashes

Canonical text6f192b3a217b231923aae805640cb840f4b425d9d990da925790b1b9f2d61ab9
Markdown5442f5d590499598354dd4bc2f22b4339a87785db1e0189a7dac90e68ef4f3e4
PDF
Publication pagea793b5ea81dd6cdfc2a729ed248d575a91d8e78e273db7ee22abb9defed8ef40
Manifest353774b0c48b3dca0f4851f1f9e32dcc67edf8671884d3df59e6d62710820b23

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
SignatureneaaP/4GO2WJNLoURbRClXe0zmQoxGF9FtqwVIVBn8e3coeKnaO1vBPk6QVu2YNG2cbgLyCNLZ5jmny+G6GRBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:27.090979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008128
observed a793b5ea81dd6cdfc2a729ed248d575a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.074165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008128/manifest.json
observed 353774b0c48b3dca0f4851f1f9e32dcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.058761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008128/publication.md
observed 5442f5d590499598354dd4bc2f22b433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.041677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008128/publication.txt
observed 6f192b3a217b231923aae805640cb840...
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.