OpenTechnical

OT-2026-000061139

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold 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-2026-000061139) never changes.

Identity and time

Publication numberOT-2026-000061139 · never reused
Internal UUID01a0ae8b-137e-7821-8532-0dfcb52e786d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061139
StatusPUBLIC

Content hashes

Canonical text4071aeb928f2f543fe245dbd8057388bad15688005772bf4608232920ff61003
Markdownbd3b1a818df5f01c829b8edf4294eb9b143981eb510fbd6a4c79451094eb5b86
PDF
Publication page2c55696218692122ee2f5f7d4b99daaa60953d3b7963e97d4fba3fe923f84208
Manifest75affb8b2e9d8c5f508071ecbf4acf1402c4946e682933b7f334065d0d1bb50b

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
SignatureZW/oBoVlESYWoEzrWn3qsKgqQUzLw1t68OdU4xEXTLtz9nrYaZf7lwbm3++TNVpIId0TRjRPnfmlsJM6kFYLAQ==
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...

Independent retrieval

2026-09-17T10:42:31.144790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061139
observed 2c55696218692122ee2f5f7d4b99daaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:31.128089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061139/manifest.json
observed 75affb8b2e9d8c5f508071ecbf4acf14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:31.110548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061139/publication.md
observed bd3b1a818df5f01c829b8edf4294eb9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:31.090522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061139/publication.txt
observed 4071aeb928f2f543fe245dbd8057388b...
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.