OpenTechnical

OT-2026-000012495

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, pulsed blow-off before 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-2026-000012495) never changes.

Identity and time

Publication numberOT-2026-000012495 · never reused
Internal UUID01a0ae6d-39f7-72ff-ace1-245cb643d608 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012495
StatusPUBLIC

Content hashes

Canonical text4ba501a8eb90248d741243bcf7ed026255820eb25a2f1748ea9d9d77af2c8aa3
Markdown776fcd61ea8a8ba5dab41b460d71271e84f76b51170b5468c80b7dd48638fe4d
PDF
Publication page0b044232491587acd90bb0147e56af875e5bd1becba62cd9458288e05bd4f9b2
Manifest55e4f60d9459bb9412ecd1ced86ce797471e110ef3f1f20bd6b1327fd85030fa

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
SignatureXdECFTeRvmhyVFdm4nH9tTa4s/lTjDRjD83a+d5QBU4KXqGNgsaciKC4rSMMkUDlfhKTsv3ntR49Y5H9T1wCBA==
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

2026-09-17T12:12:00.724545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012495
observed 0b044232491587acd90bb0147e56af87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:00.705177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012495/manifest.json
observed 55e4f60d9459bb9412ecd1ced86ce797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:00.686582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012495/publication.md
observed 776fcd61ea8a8ba5dab41b460d71271e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:00.668226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012495/publication.txt
observed 4ba501a8eb90248d741243bcf7ed0262...
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.