OpenTechnical

OT-2026-000045103

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, 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-2026-000045103) never changes.

Identity and time

Publication numberOT-2026-000045103 · never reused
Internal UUID01a0ae7c-f768-72cb-97ae-6b42691e9e53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045103
StatusPUBLIC

Content hashes

Canonical text031dff902db8bc46193ca4feb5a2237ffe2595886aaad53af2bba33cbdd8c405
Markdown54776f20dd4a653f66d2e9318fc50d48802191272008fae2c888f07cce66cb63
PDF
Publication pagecf988e956705b9e2de117fec40218ee4590f1dcb0479ab33560786bf701e5d39
Manifest428b31aeb6ed2f54d2f2cb3f7f275cb864e3a2723e23ce3e55a382d8b4adef3b

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
Signature1X8S2/1f8iyyLtgKJ1Ogqrpv0CTSf44ldzOWAksyO+UNeHI2b6uKNuwq9xDdFFz68kWo+5cvUhOcY550LlJsDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:14.456723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045103
observed cf988e956705b9e2de117fec40218ee4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:14.437212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045103/manifest.json
observed 428b31aeb6ed2f54d2f2cb3f7f275cb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:14.419930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045103/publication.md
observed 54776f20dd4a653f66d2e9318fc50d48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:14.399092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045103/publication.txt
observed 031dff902db8bc46193ca4feb5a2237f...
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.