OpenTechnical

OT-2026-000032170

Publication integrity record

Foam pad vacuum gripper, 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-2026-000032170) never changes.

Identity and time

Publication numberOT-2026-000032170 · never reused
Internal UUID01a0ae74-f7a6-79dc-bd13-344f851de1e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032170
StatusPUBLIC

Content hashes

Canonical textd3babbfc5ab457ec871f24e12b3df29ef110257da89a3dacfff9b1ebc31d8833
Markdown33b0e10778ad9cf2e3ca0d52966c240dde96afbb25f35cfb777754000315041e
PDF
Publication page13d2de9fd73050923320e6e92c120065c3bcceb3ee419fd46b493e0ef27cb504
Manifeste59645aa7637332c90837fef3041e8517613700c8f1699f43335265a0ff9e192

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
SignatureKvA36D6SvsoHfoI2D5ZKqZ1wfaAgREhj6seWHouwIfqoK6kNv9Y+yIrW/ql+4ifGQGAug3lm8LbmofNQjBeHDg==
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

2026-09-17T11:34:29.935165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032170
observed 13d2de9fd73050923320e6e92c120065...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:29.916275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032170/manifest.json
observed e59645aa7637332c90837fef3041e851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:29.896632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032170/publication.md
observed 33b0e10778ad9cf2e3ca0d52966c240d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:29.879045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032170/publication.txt
observed d3babbfc5ab457ec871f24e12b3df29e...
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.