OpenTechnical

OT-2026-000100977

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000100977) never changes.

Identity and time

Publication numberOT-2026-000100977 · never reused
Internal UUID01a0aea3-c377-73d3-9216-c2eaef81cc83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100977
StatusPUBLIC

Content hashes

Canonical text0719d6481b58c48d570b4fa09adb24f3a2027bad1592e01113b7abe293a1db0f
Markdown3072308b8badf4b485601e3b2abdb286a8cf3286f0b6035cedf64fa12d0f7167
PDF
Publication page1c470ee0bf667b30052528da3616c1c91f597163a3149decd930fc19ba11a861
Manifest0fc71280be6b4e8d8140c6c72acb58dd030bcecc5cbc41d1357c9bb1a7509971

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
SignatureCycCUE9iZccC8PPf9wsgvupisCfvmLdWwVC3gEjBg/SzbANW7PCxrPdF8gDrqQczu/pcnab26UcUPRILfl0WAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:34.179715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100977
observed 1c470ee0bf667b30052528da3616c1c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:34.156898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100977/manifest.json
observed 0fc71280be6b4e8d8140c6c72acb58dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:34.138403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100977/publication.md
observed 3072308b8badf4b485601e3b2abdb286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:34.119396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100977/publication.txt
observed 0719d6481b58c48d570b4fa09adb24f3...
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.