OpenTechnical

OT-2026-000052952

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000052952) never changes.

Identity and time

Publication numberOT-2026-000052952 · never reused
Internal UUID01a0ae84-a430-7477-bada-52ac81f21b8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052952
StatusPUBLIC

Content hashes

Canonical textd3f78253d37b2250fa03a59f23f1280d23a6b4645f1b4e3494d54b1215fac1df
Markdownb20b2617c73d5edf474068c488c39f73e0c54148edbe4e54211eeda1ba02b5c3
PDF
Publication page127c10233a2a7bc530d0cb3c53ca79f51371bb00ecab469c6d213dd3cf74d75a
Manifest5cdc68cee70a8217075bad41ac2acd1dc524a5d4c114830084bf40cfbaf8836c

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
SignatureYVnrXx341hq0eWsWkRz6n3z9xLOEhk8OAAI4YbzkbFFfkJK/p0WDr50fTnWmOSz/6BYChJFnZ21MrNcIAaRoBg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:38.122295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052952
observed 127c10233a2a7bc530d0cb3c53ca79f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:38.103217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052952/manifest.json
observed 5cdc68cee70a8217075bad41ac2acd1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:38.070800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052952/publication.md
observed b20b2617c73d5edf474068c488c39f73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:38.039411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052952/publication.txt
observed d3f78253d37b2250fa03a59f23f1280d...
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.