OpenTechnical

OT-2026-000102230

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, pulsed blow-off after set-down

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-2026-000102230) never changes.

Identity and time

Publication numberOT-2026-000102230 · never reused
Internal UUID01a0aea4-50f3-76bf-a48c-061e609e3040 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102230
StatusPUBLIC

Content hashes

Canonical text4ce8e5fa597f20b6c0c2e550948ec04705ac8fce43449fa1d76212c00d8259db
Markdownea09753059df0c8996da67753611f54e5e295a5d8ec56f4819802690dbd00461
PDF
Publication pagee626356c94e16e1224ea79cef3693d531679fbbb7a24a183d8abf571f5661ce0
Manifestb2fffe96db083e0941e6260f4b931126f2bb1f6dcb00801c9884143120f76aa1

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
Signaturer2pDLcXLCxzusORkd2OFSEw+2UFLxbrLJeGYdo8UcaWUbLrzU3nAqKMvujQGSmjMEZmuqHWENY2BYgwOWbC8Cw==
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

2026-09-17T09:24:24.690250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102230
observed e626356c94e16e1224ea79cef3693d53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:24.671340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102230/manifest.json
observed b2fffe96db083e0941e6260f4b931126...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:24.643427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102230/publication.md
observed ea09753059df0c8996da67753611f54e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:24.615088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102230/publication.txt
observed 4ce8e5fa597f20b6c0c2e550948ec047...
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.