OpenTechnical

OT-2026-000068478

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000068478) never changes.

Identity and time

Publication numberOT-2026-000068478 · never reused
Internal UUID01a0ae90-2481-702b-8455-c1a65f008c82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068478
StatusPUBLIC

Content hashes

Canonical text2f2c9fd848eab9fc2cd2da19e908f28126553a1e2baa9b855cfae6348f300e17
Markdownc37e0ce743fffb362ebfb3469780eb098dbc562c4954a5547794d086d33ccaef
PDF
Publication page99112ad07b052df10018252fde12b06d8b4ce95c7f58c2042f0d19824df3b48c
Manifest8fd4ea0f638c1c46c09fba3c25ed0916df61f63b0e5a0dc534a24ed82026f0ad

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
SignaturekD2DEdAkANaJNcV5aSb/9/6gvX+c/rWqJEySeEb3O0CM86Vt1MvYkp3RHJmyMxX3pbsaMcghgPCaM/qSaIkGAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:37.799986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068478
observed 99112ad07b052df10018252fde12b06d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:37.778334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068478/manifest.json
observed 8fd4ea0f638c1c46c09fba3c25ed0916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:37.755946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068478/publication.md
observed c37e0ce743fffb362ebfb3469780eb09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:37.737337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068478/publication.txt
observed 2f2c9fd848eab9fc2cd2da19e908f281...
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.